diff --git a/package.json b/package.json
index 3b9c684..a2363bb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "dependencies": {
     "graphql": "^0.13.2",
     "jsonwebtoken": "^8.3.0",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.17",
     "validator": "^10.5.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 4c6da8e..c254fb4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2682,6 +2682,11 @@ lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
+lodash@^4.17.17:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
+
 loose-envify@^1.0.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"