diff --git a/web/package-lock.json b/web/package-lock.json
index b1802d7..dd15eb8 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -14,7 +14,7 @@
         "classnames": "^2.1.1",
         "expose-loader": "^0.6.0",
         "jsx-loader": "^0.13.2",
-        "lodash": "^3.9.3",
+        "lodash": "^4.17.19",
         "node-fetch": "^1.2.1",
         "node-libs-browser": "^0.5.0",
         "react": "^0.14.3",
@@ -263,6 +263,11 @@
         "try-resolve": "^1.0.0"
       }
     },
+    "node_modules/babel-core/node_modules/lodash": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+    },
     "node_modules/babel-loader": {
       "version": "5.4.2",
       "resolved": "https://registry.npmjs.org/babel-loader/-/babel-loader-5.4.2.tgz",
@@ -316,6 +321,11 @@
         "lodash": "^3.9.3"
       }
     },
+    "node_modules/babel-plugin-proto-to-assign/node_modules/lodash": {
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+    },
     "node_modules/babel-plugin-react-constant-elements": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/babel-plugin-react-constant-elements/-/babel-plugin-react-constant-elements-1.0.3.tgz",
@@ -1875,9 +1885,9 @@
       }
     },
     "node_modules/lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "node_modules/longest": {
       "version": "1.0.1",
@@ -4232,6 +4242,13 @@
         "to-fast-properties": "^1.0.0",
         "trim-right": "^1.0.0",
         "try-resolve": "^1.0.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+        }
       }
     },
     "babel-loader": {
@@ -4285,6 +4302,13 @@
       "integrity": "sha1-xJ56/QL1d7xNoF6i3wAiUM980SM=",
       "requires": {
         "lodash": "^3.9.3"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+        }
       }
     },
     "babel-plugin-react-constant-elements": {
@@ -5515,9 +5539,9 @@
       }
     },
     "lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "longest": {
       "version": "1.0.1",
diff --git a/web/package.json b/web/package.json
index 47f5e4b..3ffb745 100644
--- a/web/package.json
+++ b/web/package.json
@@ -17,7 +17,7 @@
     "classnames": "^2.1.1",
     "expose-loader": "^0.6.0",
     "jsx-loader": "^0.13.2",
-    "lodash": "^3.9.3",
+    "lodash": "^4.17.19",
     "node-fetch": "^1.2.1",
     "node-libs-browser": "^0.5.0",
     "react": "^0.14.3",