diff --git a/package.json b/package.json
index 6ce22d9..d9262b3 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "author": "kos984@gmail.com",
   "license": "MIT",
   "dependencies": {
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "validatorjs": "^3.15.1"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index b9d439a..8e85368 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2161,10 +2161,10 @@ lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.4:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
-lodash@^4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 longest@^1.0.1:
   version "1.0.1"