diff --git a/package-lock.json b/package-lock.json
index b91fce9..b5160a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "lodash": {
-      "version": "4.17.4",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "q": {
       "version": "1.5.1",
diff --git a/package.json b/package.json
index 89413f9..e577aab 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/ukc-co663/dependency-solver-JordanHood#readme",
   "dependencies": {
-    "lodash": "^4.17.4",
+    "lodash": "^4.17.21",
     "q": "^1.5.1"
   }
 }