diff --git a/.travis.yml b/.travis.yml
index 14f5292..f9892ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ sudo: 'false'
 before_script:
   - npm install -g polymer-cli
   - polymer install --variants
+  - git checkout package-lock.json
   - >-
     npm run update-types && git diff --exit-code || (echo -e
     '\n\033[31mERROR:\033[0m Typings are stale. Please run "npm run
diff --git a/demo/index.html b/demo/index.html
index 47fb4d2..a693ee7 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -20,7 +20,7 @@
   <script src="../../webcomponentsjs/webcomponents-lite.js"></script>
   <!-- Ensure Web Animations polyfill is loaded since neon-animation 2.0 doesn't import it -->
   <link rel="import" href="../../neon-animation/web-animations.html">
-  
+
   <link rel="import" href="../../iron-demo-helpers/demo-snippet.html">
   <link rel="import" href="../../iron-demo-helpers/demo-pages-shared-styles.html">
   <link rel="import" href="../../paper-item/paper-item.html">
@@ -35,7 +35,7 @@
         display: flex;
       };
     }
-    
+
     paper-tabs {
       width: 400px;
     }
@@ -76,6 +76,29 @@ <h4>This is a plain paper-dropdown-menu</h4>
       </template>
     </demo-snippet>
 
+    <h4>Supports RTL</h4>
+    <demo-snippet class="centered-demo">
+      <template>
+        <paper-dropdown-menu dir="rtl" label="Dinosaurs">
+          <paper-listbox slot="dropdown-content" class="dropdown-content">
+            <paper-item>allosaurus</paper-item>
+            <paper-item>brontosaurus</paper-item>
+            <paper-item>carcharodontosaurus</paper-item>
+            <paper-item>diplodocus</paper-item>
+          </paper-listbox>
+        </paper-dropdown-menu>
+
+        <paper-dropdown-menu-light dir="rtl" label="Dinosaurs lite">
+          <paper-listbox slot="dropdown-content" class="dropdown-content">
+            <paper-item>allosaurus</paper-item>
+            <paper-item>brontosaurus</paper-item>
+            <paper-item>carcharodontosaurus</paper-item>
+            <paper-item>diplodocus</paper-item>
+          </paper-listbox>
+        </paper-dropdown-menu-light>
+      </template>
+    </demo-snippet>
+
     <h4>You can pre-select a value using the <i>selected</i> attribute</h4>
     <demo-snippet class="centered-demo">
       <template>
diff --git a/package-lock.json b/package-lock.json
index 7631b85..1547a8a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3,52 +3,180 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "@babel/generator": {
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.3.4.tgz",
+      "integrity": "sha512-8EXhHRFqlVVWXPezBW5keTiQi/rJMQTg/Y9uVCEZ0CAF3PKtCCaVRnp64Ii1ujhkoDhhF1fVsImoN4yJ2uz4Wg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.3.4",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.11",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
+      "integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.0.0",
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+      "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz",
+      "integrity": "sha512-MXkOJqva62dfC0w85mEf/LucPPS/1+04nmmRMPEBUB++hiiThQ2zPtX/mEWQ3mtzCEjIJvPY8nuwxXtQeQwUag==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/highlight": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
+      "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.0.0",
+        "esutils": "^2.0.2",
+        "js-tokens": "^4.0.0"
+      }
+    },
+    "@babel/parser": {
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.3.4.tgz",
+      "integrity": "sha512-tXZCqWtlOOP4wgCp6RjRvLmfuhnqTLy9VHwRochJBCP2nDm27JnnuFEnXFASVyQNHk36jD1tAammsCEEqgscIQ==",
+      "dev": true
+    },
+    "@babel/template": {
+      "version": "7.2.2",
+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.2.2.tgz",
+      "integrity": "sha512-zRL0IMM02AUDwghf5LMSSDEz7sBCO2YnNmpg3uWTZj/v1rcG2BmQUvaGU8GhU8BvfMh1k2KIAYZ7Ji9KXPUg7g==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.2.2",
+        "@babel/types": "^7.2.2"
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.3.4.tgz",
+      "integrity": "sha512-TvTHKp6471OYEcE/91uWmhR6PrrYywQntCHSaZ8CM8Vmp+pjAusal4nGB2WCCQd0rvI7nOMKn9GnbcvTUz3/ZQ==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.3.4",
+        "@babel/helper-function-name": "^7.1.0",
+        "@babel/helper-split-export-declaration": "^7.0.0",
+        "@babel/parser": "^7.3.4",
+        "@babel/types": "^7.3.4",
+        "debug": "^4.1.0",
+        "globals": "^11.1.0",
+        "lodash": "^4.17.11"
+      }
+    },
+    "@babel/types": {
+      "version": "7.3.4",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.3.4.tgz",
+      "integrity": "sha512-WEkp8MsLftM7O/ty580wAmZzN1nDmCACc5+jFzUt+GUFNNIi3LdRlueYz0YIlmJhlZx1QYDMZL5vdWCL0fNjFQ==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.11",
+        "to-fast-properties": "^2.0.0"
+      }
+    },
     "@mrmlnc/readdir-enhanced": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
       "integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
       "dev": true,
       "requires": {
-        "call-me-maybe": "1.0.1",
-        "glob-to-regexp": "0.3.0"
+        "call-me-maybe": "^1.0.1",
+        "glob-to-regexp": "^0.3.0"
       }
     },
+    "@nodelib/fs.stat": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz",
+      "integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==",
+      "dev": true
+    },
     "@polymer/gen-typescript-declarations": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.2.2.tgz",
-      "integrity": "sha512-9P946+nIkSm+761v3oxH/QVgJozhsInldKY3h8AVstdXkA8W0Fij84pqsFv1nrRuPGj4Pv71crzoZpFnLkNmKQ==",
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.6.1.tgz",
+      "integrity": "sha512-8CtIwwhxfMCdvtKuR/IphH9bvJGBIVP0dQdKA8Tua1oCTOBkGgG/fVY890hWCL2tz5CursQGq37UKY0+89Ot2g==",
       "dev": true,
       "requires": {
+        "@babel/types": "^7.0.0-beta.42",
+        "@types/command-line-args": "^5.0.0",
+        "@types/command-line-usage": "^5.0.1",
         "@types/doctrine": "0.0.3",
-        "@types/fs-extra": "5.0.1",
-        "@types/glob": "5.0.35",
-        "command-line-args": "5.0.2",
-        "command-line-usage": "5.0.4",
-        "doctrine": "2.1.0",
-        "escodegen": "1.9.1",
-        "fs-extra": "5.0.0",
-        "glob": "7.1.2",
-        "minimatch": "3.0.4",
-        "polymer-analyzer": "3.0.0-pre.14",
-        "vscode-uri": "1.0.3"
+        "@types/fs-extra": "^5.0.0",
+        "@types/glob": "^5.0.35",
+        "@types/parse5": "^2.2.34",
+        "babylon": "^7.0.0-beta.42",
+        "command-line-args": "^5.0.1",
+        "command-line-usage": "^5.0.2",
+        "doctrine": "^2.0.0",
+        "escodegen": "^1.9.0",
+        "fs-extra": "^6.0.1",
+        "glob": "^7.1.2",
+        "minimatch": "^3.0.4",
+        "polymer-analyzer": "^3.0.2",
+        "source-map-support": "^0.5.9",
+        "typescript": "^3.0.1",
+        "vscode-uri": "^1.0.3"
       }
     },
     "@types/babel-generator": {
-      "version": "6.25.1",
-      "resolved": "https://registry.npmjs.org/@types/babel-generator/-/babel-generator-6.25.1.tgz",
-      "integrity": "sha512-nKNz9Ch4WP2TFZjQROhxqqS2SCk0OoDzGazJI6S+2sGgW9P7N4o3vluZAXFuPEnRqtz2A0vrrkK3tjQktxIlRw==",
+      "version": "6.25.3",
+      "resolved": "https://registry.npmjs.org/@types/babel-generator/-/babel-generator-6.25.3.tgz",
+      "integrity": "sha512-pGgnuxVddKcYIc+VJkRDop7gxLhqclNKBdlsm/5Vp8d+37pQkkDK7fef8d9YYImRzw9xcojEPc18pUYnbxmjqA==",
       "dev": true,
       "requires": {
-        "@types/babel-types": "6.25.2"
+        "@types/babel-types": "*"
       }
     },
     "@types/babel-traverse": {
-      "version": "6.25.3",
-      "resolved": "https://registry.npmjs.org/@types/babel-traverse/-/babel-traverse-6.25.3.tgz",
-      "integrity": "sha512-4FaulWyA7nrXPkzoukL2VmSpxCnBZwc+MgwZqO30gtHCrtaUXnoxymdYfxzf3CZN80zjtrVzKfLlZ7FPYvrhQQ==",
+      "version": "6.25.5",
+      "resolved": "https://registry.npmjs.org/@types/babel-traverse/-/babel-traverse-6.25.5.tgz",
+      "integrity": "sha512-WrMbwmu+MWf8FiUMbmVOGkc7bHPzndUafn1CivMaBHthBBoo0VNIcYk1KV71UovYguhsNOwf3UF5oRmkkGOU3w==",
       "dev": true,
       "requires": {
-        "@types/babel-types": "6.25.2"
+        "@types/babel-types": "*"
       }
     },
     "@types/babel-types": {
@@ -58,27 +186,27 @@
       "dev": true
     },
     "@types/babylon": {
-      "version": "6.16.2",
-      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.2.tgz",
-      "integrity": "sha512-+Jty46mPaWe1VAyZbfvgJM4BAdklLWxrT5tc/RjvCgLrtk6gzRY6AOnoWFv4p6hVxhJshDdr2hGVn56alBp97Q==",
+      "version": "6.16.5",
+      "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
+      "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
       "dev": true,
       "requires": {
-        "@types/babel-types": "6.25.2"
+        "@types/babel-types": "*"
       }
     },
     "@types/chai": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.2.tgz",
-      "integrity": "sha512-D8uQwKYUw2KESkorZ27ykzXgvkDJYXVEihGklgfp5I4HUP8D6IxtcdLTMB1emjQiWzV7WZ5ihm1cxIzVwjoleQ==",
+      "version": "4.1.7",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.7.tgz",
+      "integrity": "sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==",
       "dev": true
     },
     "@types/chai-subset": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@types/chai-subset/-/chai-subset-1.3.1.tgz",
-      "integrity": "sha512-Aof+FLfWzBPzDgJ2uuBuPNOBHVx9Siyw4vmOcsMgsuxX1nfUWSlzpq4pdvQiaBgGjGS7vP/Oft5dpJbX4krT1A==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@types/chai-subset/-/chai-subset-1.3.2.tgz",
+      "integrity": "sha512-VMA1aOXwPEJADlj5ykmYv77YKmbEuAxiLz/+lT6vFIWQ1EA06jF01TytVBAbVTNk0pjfW1Uhw5R5MaEq426N0A==",
       "dev": true,
       "requires": {
-        "@types/chai": "4.1.2"
+        "@types/chai": "*"
       }
     },
     "@types/chalk": {
@@ -93,6 +221,18 @@
       "integrity": "sha1-5zZWSMG0ITalnH1QQGN7O1yDthQ=",
       "dev": true
     },
+    "@types/command-line-args": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/command-line-args/-/command-line-args-5.0.0.tgz",
+      "integrity": "sha512-4eOPXyn5DmP64MCMF8ePDvdlvlzt2a+F8ZaVjqmh2yFCpGjc1kI3kGnCFYX9SCsGTjQcWIyVZ86IHCEyjy/MNg==",
+      "dev": true
+    },
+    "@types/command-line-usage": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@types/command-line-usage/-/command-line-usage-5.0.1.tgz",
+      "integrity": "sha512-/xUgezxxYePeXhg5S04hUjxG9JZi+rJTs1+4NwpYPfSaS7BeDa6tVJkH6lN9Cb6rl8d24Fi2uX0s0Ngg2JT6gg==",
+      "dev": true
+    },
     "@types/cssbeautify": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/@types/cssbeautify/-/cssbeautify-0.3.1.tgz",
@@ -106,29 +246,29 @@
       "dev": true
     },
     "@types/events": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-1.2.0.tgz",
-      "integrity": "sha512-KEIlhXnIutzKwRbQkGWb/I4HFqBuUykAdHgDED6xqwXJfONCjF5VoE0cXEiurh3XauygxzeDzgtXUqvLkxFzzA==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
+      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
       "dev": true
     },
     "@types/fs-extra": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-5.0.1.tgz",
-      "integrity": "sha512-h3wnflb+jMTipvbbZnClgA2BexrT4w0GcfoCz5qyxd0IRsbqhLSyesM6mqZTAnhbVmhyTm5tuxfRu9R+8l+lGw==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-5.0.5.tgz",
+      "integrity": "sha512-w7iqhDH9mN8eLClQOYTkhdYUOSpp25eXxfc6VbFOGtzxW34JcvctH2bKjj4jD4++z4R5iO5D+pg48W2e03I65A==",
       "dev": true,
       "requires": {
-        "@types/node": "9.6.4"
+        "@types/node": "*"
       }
     },
     "@types/glob": {
-      "version": "5.0.35",
-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.35.tgz",
-      "integrity": "sha512-wc+VveszMLyMWFvXLkloixT4n0harUIVZjnpzztaZ0nKLuul7Z32iMt2fUFGAaZ4y1XWjFRMtCI5ewvyh4aIeg==",
+      "version": "5.0.36",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-5.0.36.tgz",
+      "integrity": "sha512-KEzSKuP2+3oOjYYjujue6Z3Yqis5HKA1BsIC+jZ1v3lrRNdsqyNNtX0rQf6LSuI4DJJ2z5UV//zBZCcvM0xikg==",
       "dev": true,
       "requires": {
-        "@types/events": "1.2.0",
-        "@types/minimatch": "3.0.3",
-        "@types/node": "9.6.4"
+        "@types/events": "*",
+        "@types/minimatch": "*",
+        "@types/node": "*"
       }
     },
     "@types/is-windows": {
@@ -144,9 +284,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "9.6.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.6.4.tgz",
-      "integrity": "sha512-Awg4BcUYiZtNKoveGOu654JVPt11V/KIC77iBz8NweyoOAZpz5rUJfPDwwD+ajfTs2HndbTCEB8IuLfX9m/mmw==",
+      "version": "11.11.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-11.11.3.tgz",
+      "integrity": "sha512-wp6IOGu1lxsfnrD+5mX6qwSwWuqsdkKKxTN4aQc4wByHAKZJf9/D4KXPQ1POUjEbnCP5LMggB0OEFNY9OTsMqg==",
       "dev": true
     },
     "@types/parse5": {
@@ -155,25 +295,31 @@
       "integrity": "sha1-44cKEOgnNacg9i1x3NGDunjvOp0=",
       "dev": true,
       "requires": {
-        "@types/node": "9.6.4"
+        "@types/node": "*"
       }
     },
+    "@types/path-is-inside": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@types/path-is-inside/-/path-is-inside-1.0.0.tgz",
+      "integrity": "sha512-hfnXRGugz+McgX2jxyy5qz9sB21LRzlGn24zlwN2KEgoPtEvjzNRrLtUkOOebPDPZl3Rq7ywKxYvylVcEZDnEw==",
+      "dev": true
+    },
     "@types/resolve": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-0.0.6.tgz",
       "integrity": "sha512-g+Rg8uMWY76oYTyaL+m7ZcblqF/oj7pE6uEUyACluJx4zcop1Lk14qQiocdEkEVMDFm6DmKpxJhsER+ZuTwG3g==",
       "dev": true,
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+      "integrity": "sha512-MjqsvNwyz1s0k81Goz/9vRBe9SZdB09Bdw+/zYyO+3CuPk6fouTaxscHkgtE8jKvf01kVfl8riHzERQ/kefaSA==",
       "dev": true,
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-        "atob": "2.1.0",
-        "decode-uri-component": "0.2.0",
-        "resolve-url": "0.2.1",
-        "source-map-url": "0.4.0",
-        "urix": "0.1.0"
+        "atob": "^2.1.1",
+        "decode-uri-component": "^0.2.0",
+        "resolve-url": "^0.2.1",
+        "source-map-url": "^0.4.0",
+        "urix": "^0.1.0"
+      }
+    },
+    "source-map-support": {
+      "version": "0.5.11",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.11.tgz",
+      "integrity": "sha512-//sajEx/fGL3iw6fltKMdPvy8kL3kJ2O3iuYlRoT3k9Kb4BjOoZ+BZzaNHeuaruSt+Kf3Zk9tnfAQg9/AJqUVQ==",
+      "dev": true,
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
       }
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@@ -2056,19 +1912,13 @@
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       "dev": true,
       "requires": {
-        "extend-shallow": "3.0.2"
+        "extend-shallow": "^3.0.0"
       }
     },
     "stable": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/stable/-/stable-0.1.6.tgz",
-      "integrity": "sha1-kQ9dKu17Ugxud3SZwfMuE5/eyxA=",
-      "dev": true
-    },
-    "stack-trace": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
-      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=",
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/stable/-/stable-0.1.8.tgz",
+      "integrity": "sha512-ji9qxRnOVfcuLDySj9qzhGSEFVobyt1kIOSkj1qZzYLzq7Tos/oUUWvotUPQLlrsidqsK6tBH89Bc9kL5zHA6w==",
       "dev": true
     },
     "static-extend": {
@@ -2077,8 +1927,8 @@
       "integrity": "sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=",
       "dev": true,
       "requires": {
-        "define-property": "0.2.5",
-        "object-copy": "0.1.0"
+        "define-property": "^0.2.5",
+        "object-copy": "^0.1.0"
       },
       "dependencies": {
         "define-property": {
@@ -2087,7 +1937,7 @@
           "integrity": "sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=",
           "dev": true,
           "requires": {
-            "is-descriptor": "0.1.6"
+            "is-descriptor": "^0.1.0"
           }
         }
       }
@@ -2098,7 +1948,7 @@
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "2.1.1"
+        "ansi-regex": "^2.0.0"
       }
     },
     "strip-indent": {
@@ -2108,25 +1958,25 @@
       "dev": true
     },
     "supports-color": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.3.0.tgz",
-      "integrity": "sha512-0aP01LLIskjKs3lq52EC0aGBAJhLq7B2Rd8HC/DR/PtNNpcLilNmHC12O+hu0usQpo7wtHNRqtrhBwtDb0+dNg==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
       "dev": true,
       "requires": {
-        "has-flag": "3.0.0"
+        "has-flag": "^3.0.0"
       }
     },
     "table-layout": {
-      "version": "0.4.3",
-      "resolved": "https://registry.npmjs.org/table-layout/-/table-layout-0.4.3.tgz",
-      "integrity": "sha512-MIhflPM38ejKrFwWwC3P9x3eHvMo5G5AmNo29Qtz2HpBl5KD2GCcmOErjgNtUQLv/qaqVDagfJY3rJLPDvEgLg==",
+      "version": "0.4.4",
+      "resolved": "https://registry.npmjs.org/table-layout/-/table-layout-0.4.4.tgz",
+      "integrity": "sha512-uNaR3SRMJwfdp9OUr36eyEi6LLsbcTqTO/hfTsNviKsNeyMBPICJCC7QXRF3+07bAP6FRwA8rczJPBqXDc0CkQ==",
       "dev": true,
       "requires": {
-        "array-back": "2.0.0",
-        "deep-extend": "0.5.0",
-        "lodash.padend": "4.6.1",
-        "typical": "2.6.1",
-        "wordwrapjs": "3.0.0"
+        "array-back": "^2.0.0",
+        "deep-extend": "~0.6.0",
+        "lodash.padend": "^4.6.1",
+        "typical": "^2.6.1",
+        "wordwrapjs": "^3.0.0"
       }
     },
     "test-value": {
@@ -2135,14 +1985,14 @@
       "integrity": "sha512-sVACdAWcZkSU9x7AOmJo5TqE+GyNJknHaHsMrR6ZnhjVlVN9Yx6FjHrsKZ3BjIpPCT68zYesPWkakrNupwfOTQ==",
       "dev": true,
       "requires": {
-        "array-back": "2.0.0",
-        "typical": "2.6.1"
+        "array-back": "^2.0.0",
+        "typical": "^2.6.1"
       }
     },
     "to-fast-properties": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
       "dev": true
     },
     "to-object-path": {
@@ -2151,7 +2001,7 @@
       "integrity": "sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=",
       "dev": true,
       "requires": {
-        "kind-of": "3.2.2"
+        "kind-of": "^3.0.2"
       },
       "dependencies": {
         "kind-of": {
@@ -2160,7 +2010,7 @@
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.6"
+            "is-buffer": "^1.1.5"
           }
         }
       }
@@ -2171,10 +2021,10 @@
       "integrity": "sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==",
       "dev": true,
       "requires": {
-        "define-property": "2.0.2",
-        "extend-shallow": "3.0.2",
-        "regex-not": "1.0.2",
-        "safe-regex": "1.1.0"
+        "define-property": "^2.0.2",
+        "extend-shallow": "^3.0.2",
+        "regex-not": "^1.0.2",
+        "safe-regex": "^1.1.0"
       }
     },
     "to-regex-range": {
@@ -2183,8 +2033,8 @@
       "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
       "dev": true,
       "requires": {
-        "is-number": "3.0.0",
-        "repeat-string": "1.6.1"
+        "is-number": "^3.0.0",
+        "repeat-string": "^1.6.1"
       }
     },
     "tr46": {
@@ -2193,7 +2043,7 @@
       "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
       "dev": true,
       "requires": {
-        "punycode": "2.1.0"
+        "punycode": "^2.1.0"
       }
     },
     "trim-right": {
@@ -2208,9 +2058,15 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "1.1.2"
+        "prelude-ls": "~1.1.2"
       }
     },
+    "typescript": {
+      "version": "3.3.3333",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.3.3333.tgz",
+      "integrity": "sha512-JjSKsAfuHBE/fB2oZ8NxtRTk5iGcg6hkYXMnZ3Wc+b2RSqejEqTaem11mHASMnFilHrax3sLK0GDzcJrekZYLw==",
+      "dev": true
+    },
     "typical": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/typical/-/typical-2.6.1.tgz",
@@ -2223,10 +2079,10 @@
       "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
       "dev": true,
       "requires": {
-        "arr-union": "3.1.0",
-        "get-value": "2.0.6",
-        "is-extendable": "0.1.1",
-        "set-value": "0.4.3"
+        "arr-union": "^3.1.0",
+        "get-value": "^2.0.6",
+        "is-extendable": "^0.1.1",
+        "set-value": "^0.4.3"
       },
       "dependencies": {
         "extend-shallow": {
@@ -2235,7 +2091,7 @@
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
           "dev": true,
           "requires": {
-            "is-extendable": "0.1.1"
+            "is-extendable": "^0.1.0"
           }
         },
         "set-value": {
@@ -2244,18 +2100,18 @@
           "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
           "dev": true,
           "requires": {
-            "extend-shallow": "2.0.1",
-            "is-extendable": "0.1.1",
-            "is-plain-object": "2.0.4",
-            "to-object-path": "0.3.0"
+            "extend-shallow": "^2.0.1",
+            "is-extendable": "^0.1.1",
+            "is-plain-object": "^2.0.1",
+            "to-object-path": "^0.3.0"
           }
         }
       }
     },
     "universalify": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
-      "integrity": "sha1-+nG63UQ3r0wUiEHjs7Fl+enlkLc=",
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
       "dev": true
     },
     "unset-value": {
@@ -2264,8 +2120,8 @@
       "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
       "dev": true,
       "requires": {
-        "has-value": "0.3.1",
-        "isobject": "3.0.1"
+        "has-value": "^0.3.1",
+        "isobject": "^3.0.0"
       },
       "dependencies": {
         "has-value": {
@@ -2274,9 +2130,9 @@
           "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
           "dev": true,
           "requires": {
-            "get-value": "2.0.6",
-            "has-values": "0.1.4",
-            "isobject": "2.1.0"
+            "get-value": "^2.0.3",
+            "has-values": "^0.1.4",
+            "isobject": "^2.0.0"
           },
           "dependencies": {
             "isobject": {
@@ -2305,18 +2161,15 @@
       "dev": true
     },
     "use": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/use/-/use-3.1.0.tgz",
-      "integrity": "sha512-6UJEQM/L+mzC3ZJNM56Q4DFGLX/evKGRg15UJHGB9X5j5Z3AFbgZvjUh2yq/UJUY4U5dh7Fal++XbNg1uzpRAw==",
-      "dev": true,
-      "requires": {
-        "kind-of": "6.0.2"
-      }
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
+      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
+      "dev": true
     },
     "vscode-uri": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-1.0.3.tgz",
-      "integrity": "sha1-Yxvb9xbcyrDmUpGo3CXCMjIIWlI=",
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-1.0.6.tgz",
+      "integrity": "sha512-sLI2L0uGov3wKVb9EB+vIQBl9tVP90nqRvxSoJ35vI3NjxE8jfsE5DSOhWgSunHSZmKS4OCi2jrtfxK7uyp2ww==",
       "dev": true
     },
     "webidl-conversions": {
@@ -2326,40 +2179,35 @@
       "dev": true
     },
     "webmat": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/webmat/-/webmat-0.2.0.tgz",
-      "integrity": "sha512-xf2iHrssbbTofFwxvrdtgSxILQ8ledlpeDc76fNkTEL76gGnxCB/YA69UF498+UPfYIDvVnk9Qt2E7MJOApacA==",
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/webmat/-/webmat-0.2.2.tgz",
+      "integrity": "sha512-qi4Ol9a+0jArgbO8HdnIplE7f4p+9vXtRie8q321dmkqXAlWtVuSz7fL9g+S6yVynWBWq2MqVM/dq25W6tUWUw==",
       "dev": true,
       "requires": {
-        "clang-format": "1.2.3",
-        "dom5": "3.0.0",
-        "fast-glob": "2.2.0",
-        "parse5": "4.0.0"
+        "clang-format": "^1.2.2",
+        "dom5": "^3.0.0",
+        "esprima": "^4.0.0",
+        "fast-glob": "^2.2.0",
+        "parse5": "^4.0.0"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
+          "dev": true
+        }
       }
     },
     "whatwg-url": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.4.0.tgz",
-      "integrity": "sha512-Z0CVh/YE217Foyb488eo+iBv+r7eAQ0wSTyApi9n06jhcA3z6Nidg/EGvl0UFkg7kMdKxfBzzr+o9JF+cevgMg==",
-      "dev": true,
-      "requires": {
-        "lodash.sortby": "4.7.0",
-        "tr46": "1.0.1",
-        "webidl-conversions": "4.0.2"
-      }
-    },
-    "winston": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.1.tgz",
-      "integrity": "sha512-k/+Dkzd39ZdyJHYkuaYmf4ff+7j+sCIy73UCOWHYA67/WXU+FF/Y6PF28j+Vy7qNRPHWO+dR+/+zkoQWPimPqg==",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.5.0.tgz",
+      "integrity": "sha512-rhRZRqx/TLJQWUpQ6bmrt2UV4f0HCQ463yQuONJqC6fO2VoEb1pTYddbe59SkYq87aoM5A3bdhMZiUiVws+fzQ==",
       "dev": true,
       "requires": {
-        "async": "1.0.0",
-        "colors": "1.0.3",
-        "cycle": "1.0.3",
-        "eyes": "0.1.8",
-        "isstream": "0.1.2",
-        "stack-trace": "0.0.10"
+        "lodash.sortby": "^4.7.0",
+        "tr46": "^1.0.1",
+        "webidl-conversions": "^4.0.2"
       }
     },
     "wordwrap": {
@@ -2374,8 +2222,8 @@
       "integrity": "sha512-mO8XtqyPvykVCsrwj5MlOVWvSnCdT+C+QVbm6blradR7JExAhbkZ7hZ9A+9NUtwzSqrlUo9a67ws0EiILrvRpw==",
       "dev": true,
       "requires": {
-        "reduce-flatten": "1.0.1",
-        "typical": "2.6.1"
+        "reduce-flatten": "^1.0.1",
+        "typical": "^2.6.1"
       }
     },
     "wrappy": {
diff --git a/paper-dropdown-menu-icons.d.ts b/paper-dropdown-menu-icons.d.ts
index 17a5186..e25db6c 100644
--- a/paper-dropdown-menu-icons.d.ts
+++ b/paper-dropdown-menu-icons.d.ts
@@ -2,11 +2,14 @@
  * DO NOT EDIT
  *
  * This file was automatically generated by
- *   https://github.com/Polymer/gen-typescript-declarations
+ *   https://github.com/Polymer/tools/tree/master/packages/gen-typescript-declarations
  *
  * To modify these typings, edit the source file(s):
  *   paper-dropdown-menu-icons.html
  */
 
+
+// tslint:disable:variable-name Describing an API that's defined elsewhere.
+
 /// <reference path="../iron-iconset-svg/iron-iconset-svg.d.ts" />
 
diff --git a/paper-dropdown-menu-light.d.ts b/paper-dropdown-menu-light.d.ts
index d94bd08..6f4044e 100644
--- a/paper-dropdown-menu-light.d.ts
+++ b/paper-dropdown-menu-light.d.ts
@@ -2,12 +2,16 @@
  * DO NOT EDIT
  *
  * This file was automatically generated by
- *   https://github.com/Polymer/gen-typescript-declarations
+ *   https://github.com/Polymer/tools/tree/master/packages/gen-typescript-declarations
  *
  * To modify these typings, edit the source file(s):
  *   paper-dropdown-menu-light.html
  */
 
+
+// tslint:disable:variable-name Describing an API that's defined elsewhere.
+// tslint:disable:no-any describes the API as best we are able today
+
 /// <reference path="../polymer/types/polymer.d.ts" />
 /// <reference path="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.d.ts" />
 /// <reference path="../iron-behaviors/iron-button-state.d.ts" />
@@ -89,7 +93,7 @@
  *         };
  *     </style>
  */
-interface PaperDropdownMenuLightElement extends Polymer.Element, Polymer.IronButtonState, Polymer.IronControlState, Polymer.PaperRippleBehavior, Polymer.IronFormElementBehavior, Polymer.IronValidatableBehavior {
+interface PaperDropdownMenuLightElement extends Polymer.IronButtonState, Polymer.IronControlState, Polymer.PaperRippleBehavior, Polymer.IronFormElementBehavior, Polymer.IronValidatableBehavior, Polymer.LegacyElementMixin, HTMLElement {
   keyBindings: object;
 
   /**
diff --git a/paper-dropdown-menu-light.html b/paper-dropdown-menu-light.html
index 022befe..7c4b015 100644
--- a/paper-dropdown-menu-light.html
+++ b/paper-dropdown-menu-light.html
@@ -182,6 +182,7 @@
       label:dir(rtl) {
         padding-right: 0px;
         padding-left: 20px;
+        text-align: right;
       }
 
       :host([no-label-float]) label {
diff --git a/paper-dropdown-menu-shared-styles.d.ts b/paper-dropdown-menu-shared-styles.d.ts
index b0af86e..0a17950 100644
--- a/paper-dropdown-menu-shared-styles.d.ts
+++ b/paper-dropdown-menu-shared-styles.d.ts
@@ -2,11 +2,14 @@
  * DO NOT EDIT
  *
  * This file was automatically generated by
- *   https://github.com/Polymer/gen-typescript-declarations
+ *   https://github.com/Polymer/tools/tree/master/packages/gen-typescript-declarations
  *
  * To modify these typings, edit the source file(s):
  *   paper-dropdown-menu-shared-styles.html
  */
 
+
+// tslint:disable:variable-name Describing an API that's defined elsewhere.
+
 /// <reference path="../paper-styles/default-theme.d.ts" />
 
diff --git a/paper-dropdown-menu-shared-styles.html b/paper-dropdown-menu-shared-styles.html
index ddd2ec1..6f9c64f 100644
--- a/paper-dropdown-menu-shared-styles.html
+++ b/paper-dropdown-menu-shared-styles.html
@@ -36,6 +36,12 @@
         @apply --paper-dropdown-menu;
       }
 
+      :host(:dir(rtl)) {
+        text-align: right;
+
+        @apply --paper-dropdown-menu;
+      }
+
       :host([disabled]) {
         @apply --paper-dropdown-menu-disabled;
       }
diff --git a/paper-dropdown-menu.d.ts b/paper-dropdown-menu.d.ts
index e4eea2f..34f87c9 100644
--- a/paper-dropdown-menu.d.ts
+++ b/paper-dropdown-menu.d.ts
@@ -2,12 +2,16 @@
  * DO NOT EDIT
  *
  * This file was automatically generated by
- *   https://github.com/Polymer/gen-typescript-declarations
+ *   https://github.com/Polymer/tools/tree/master/packages/gen-typescript-declarations
  *
  * To modify these typings, edit the source file(s):
  *   paper-dropdown-menu.html
  */
 
+
+// tslint:disable:variable-name Describing an API that's defined elsewhere.
+// tslint:disable:no-any describes the API as best we are able today
+
 /// <reference path="../polymer/types/polymer.d.ts" />
 /// <reference path="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.d.ts" />
 /// <reference path="../iron-behaviors/iron-button-state.d.ts" />
@@ -73,7 +77,7 @@
  * style mixins and custom properties to style the internal input and menu button
  * respectively.
  */
-interface PaperDropdownMenuElement extends Polymer.Element, Polymer.IronButtonState, Polymer.IronControlState, Polymer.IronFormElementBehavior, Polymer.IronValidatableBehavior {
+interface PaperDropdownMenuElement extends Polymer.IronButtonState, Polymer.IronControlState, Polymer.IronFormElementBehavior, Polymer.IronValidatableBehavior, Polymer.LegacyElementMixin, HTMLElement {
   keyBindings: object;
 
   /**
diff --git a/paper-dropdown-menu.html b/paper-dropdown-menu.html
index 8bc8a83..f412774 100644
--- a/paper-dropdown-menu.html
+++ b/paper-dropdown-menu.html
@@ -376,7 +376,7 @@
         if (e) {
           e.setAttribute('aria-expanded', openState);
         }
-      }
+      },
     });
   </script>
 </dom-module>