diff --git a/package.json b/package.json
index a4ede81..c0340ac 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "brace": "^0.11.1",
     "codemirror": "^5.46.0",
     "js-beautify": "^1.9.1",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "normalize.css": "^7.0.0",
     "popper.js": "^1.15.0",
     "prettier": "^1.17.0",
diff --git a/yarn.lock b/yarn.lock
index b4331dc..c79efbe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4987,9 +4987,9 @@ lodash.uniq@^4.5.0:
   version "4.5.0"
   resolved "http://registry.npm.taobao.org/lodash.uniq/download/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0:
-  version "4.17.11"
-  resolved "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.21, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
 
 log-symbols@^1.0.2:
   version "1.0.2"