diff --git a/package-lock.json b/package-lock.json
index 29777e7..db9a0ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -173,6 +173,13 @@
       "integrity": "sha1-597cFToRhJ/8UUEUSuhqfvDCU5I=",
       "requires": {
         "lodash": "^3.7.0"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+        }
       }
     },
     "jsonfile": {
@@ -184,9 +191,9 @@
       }
     },
     "lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lower-case": {
       "version": "1.1.4",
diff --git a/package.json b/package.json
index d290666..194dc76 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "dox": "^0.8.0",
     "fs-extra": "^0.22.1",
     "glob": "^5.0.14",
-    "lodash": "^3.10.0"
+    "lodash": "^4.17.21"
   },
   "devDependencies": {},
   "repository": {