diff --git a/package-lock.json b/package-lock.json
index 532af87279..aa721ab673 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "buble": "^0.20.0",
         "buble-loader": "^0.5.1",
         "chaikin-smooth": "^1.0.4",
-        "clean-css-cli": "5.2.2",
+        "clean-css-cli": "5.3.0",
         "copy-webpack-plugin": "^8.0.0",
         "coverage-istanbul-loader": "^3.0.5",
         "coveralls": "3.1.0",
@@ -2763,9 +2763,9 @@
       }
     },
     "node_modules/clean-css-cli": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.2.2.tgz",
-      "integrity": "sha512-XlgBVTpEAsU/aT7gxAZ/g5Q8P9glHZeg6yfNvE7hYuvoozMdw5Wd46b12QtzuDVs8/7UZ/GCulS0VR9TI5NWRg==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.0.tgz",
+      "integrity": "sha512-Jri2KVAcan/Y1JuEDo1rUlm3vUoGvMKSOpIL2YEPgalksvoGur/yL2KbtMF2dPs2VlMVj1afzp76Vu0KjxKfvA==",
       "dev": true,
       "dependencies": {
         "clean-css": "^5.1.2",
@@ -13573,9 +13573,9 @@
       }
     },
     "clean-css-cli": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.2.2.tgz",
-      "integrity": "sha512-XlgBVTpEAsU/aT7gxAZ/g5Q8P9glHZeg6yfNvE7hYuvoozMdw5Wd46b12QtzuDVs8/7UZ/GCulS0VR9TI5NWRg==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.0.tgz",
+      "integrity": "sha512-Jri2KVAcan/Y1JuEDo1rUlm3vUoGvMKSOpIL2YEPgalksvoGur/yL2KbtMF2dPs2VlMVj1afzp76Vu0KjxKfvA==",
       "dev": true,
       "requires": {
         "clean-css": "^5.1.2",
diff --git a/package.json b/package.json
index a6aa1915cb..238c89bfb5 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "buble": "^0.20.0",
     "buble-loader": "^0.5.1",
     "chaikin-smooth": "^1.0.4",
-    "clean-css-cli": "5.2.2",
+    "clean-css-cli": "5.3.0",
     "copy-webpack-plugin": "^8.0.0",
     "coverage-istanbul-loader": "^3.0.5",
     "coveralls": "3.1.0",