diff --git a/packages/vue-resize/package.json b/packages/vue-resize/package.json
index 2bb9a6c..da10133 100644
--- a/packages/vue-resize/package.json
+++ b/packages/vue-resize/package.json
@@ -51,7 +51,7 @@
     "@rollup/plugin-replace": "^2.3.1",
     "autoprefixer": "^9.7.5",
     "babel-eslint": "^10.1.0",
-    "clean-css": "^4.1.8",
+    "clean-css": "^5.1.4",
     "cross-env": "^7.0.2",
     "eslint": "^7.16.0",
     "eslint-config-standard": "^16.0.2",
diff --git a/yarn.lock b/yarn.lock
index 8b108b7..5080490 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -833,6 +833,13 @@
   dependencies:
     regenerator-runtime "^0.13.4"
 
+"@babel/runtime@^7.13.10":
+  version "7.14.8"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.14.8.tgz#7119a56f421018852694290b9f9148097391b446"
+  integrity sha512-twj3L8Og5SaCRCErB4x4ajbvBIVV77CGeFglHpeg5WC5FF8TZzBWXtTJ4MqaD9QszLYTtr+IsaAL2rEUevb+eg==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@babel/template@^7.0.0", "@babel/template@^7.12.13":
   version "7.12.13"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.12.13.tgz#530265be8a2589dbb37523844c5bcb55947fb327"
@@ -2735,13 +2742,20 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-clean-css@4.2.x, clean-css@^4.1.11, clean-css@^4.1.8, clean-css@^4.2.1:
+clean-css@4.2.x, clean-css@^4.1.11, clean-css@^4.2.1:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.3.tgz#507b5de7d97b48ee53d84adb0160ff6216380f78"
   integrity sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==
   dependencies:
     source-map "~0.6.0"
 
+clean-css@^5.1.4:
+  version "5.1.4"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-5.1.4.tgz#d191c98347f9fc36b301f99bb827898151175782"
+  integrity sha512-e6JAuR0T2ahg7fOSv98Nxqh7mHWOac5TaCSgrr61h/6mkPLwlxX38hzob4h6IKj/UHlrrLXvAEjWqXlvi8r8lQ==
+  dependencies:
+    source-map "~0.6.0"
+
 clean-stack@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"