diff --git a/package-lock.json b/package-lock.json
index 2a67161..db41496 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -386,9 +386,9 @@
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
     "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=="
     },
     "punycode": {
       "version": "1.3.2",
diff --git a/package.json b/package.json
index 09a0c12..8ad6f4e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "aws-sdk": "^2.458.0",
-    "lodash": "^3.10.1"
+    "lodash": "^4.17.21"
   },
   "devDependencies": {
     "express": "^4.12.2"