diff --git a/demos/crypt/package-lock.json b/demos/crypt/package-lock.json
index e9d5e4d..e785c0f 100644
--- a/demos/crypt/package-lock.json
+++ b/demos/crypt/package-lock.json
@@ -5,14 +5,14 @@
   "requires": true,
   "dependencies": {
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "rot-js": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/rot-js/-/rot-js-2.0.3.tgz",
-      "integrity": "sha512-LDTdpd5GzcZBhJU/4oJN9BA1ms6xWq7TwJnhKFJNQHjF3kVgVH1ozTz84Nd4gxhHHVJg0XH3CRwUcWFhPzqH3w=="
+      "version": "2.1.5",
+      "resolved": "https://registry.npmjs.org/rot-js/-/rot-js-2.1.5.tgz",
+      "integrity": "sha512-W7IyjJNFYPXBr2CO3qWD6kvT7pAECn9GyGWpZAKP3R3SLF6SlChSNhAkovk1krzzcLmWEtDjYMCMC7chCu2f0A=="
     },
     "rote": {
       "version": "github:rocket-boots/rote#08bbda58ea47e0a4479c926cc8368632638dcc96",
diff --git a/demos/crypt/package.json b/demos/crypt/package.json
index f3cf720..3564dd7 100644
--- a/demos/crypt/package.json
+++ b/demos/crypt/package.json
@@ -15,7 +15,7 @@
   "author": "Luke Nickerson",
   "license": "ISC",
   "dependencies": {
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "rote": "github:rocket-boots/rote#master"
   }
 }