diff --git a/package-lock.json b/package-lock.json
index 083e4e4..b439dc6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3309,9 +3309,9 @@
       }
     },
     "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=="
     },
     "lodash.memoize": {
       "version": "3.0.4",
diff --git a/package.json b/package.json
index 46a9504..900c34f 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "hbs": "~3.1.0",
     "insert-css": "^2.0.0",
     "jsdom": "^8.1.0",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.21",
     "lru-cache": "^4.1.1",
     "morgan": "~1.6.1",
     "ngraph.events": "0.0.4",