diff --git a/package-lock.json b/package-lock.json
index 92e3c24..3772f24 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4760,9 +4760,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash._arraycopy": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index fcc7891..560877e 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "fpsmeter": "^0.3.1",
     "install": "^0.8.3",
     "istanbul": "^0.4.5",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "mkdirp": "^1.0.4",
     "mocha": "^5.2.0",
     "mocha-phantomjs-core": "^2.1.1",