diff --git a/ECMAScript/package.json b/ECMAScript/package.json
index d59386c..a28a517 100644
--- a/ECMAScript/package.json
+++ b/ECMAScript/package.json
@@ -5,6 +5,6 @@
   "author": "hbshun <bb@bbyy.me> (https://bb.bbyy.me/)",
   "license": "MIT",
   "dependencies": {
-    "lodash": "^4.17.11"
+    "lodash": "^4.17.21"
   }
 }
diff --git a/ECMAScript/yarn.lock b/ECMAScript/yarn.lock
index dafb331..bb4db65 100644
--- a/ECMAScript/yarn.lock
+++ b/ECMAScript/yarn.lock
@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-lodash@^4.17.11:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@^4.17.21:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==