diff --git a/package-lock.json b/package-lock.json
index 818b888094..fd212f6f1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
         "buble": "^0.20.0",
         "buble-loader": "^0.5.1",
         "chaikin-smooth": "^1.0.4",
-        "clean-css-cli": "5.3.0",
+        "clean-css-cli": "5.3.2",
         "copy-webpack-plugin": "^9.0.0",
         "coverage-istanbul-loader": "^3.0.5",
         "coveralls": "3.1.1",
@@ -3073,9 +3073,9 @@
       }
     },
     "node_modules/clean-css": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.2.tgz",
-      "integrity": "sha512-QcaGg9OuMo+0Ds933yLOY+gHPWbxhxqF0HDexmToPf8pczvmvZGYzd+QqWp9/mkucAOKViI+dSFOqoZIvXbeBw==",
+      "version": "5.1.4",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.4.tgz",
+      "integrity": "sha512-e6JAuR0T2ahg7fOSv98Nxqh7mHWOac5TaCSgrr61h/6mkPLwlxX38hzob4h6IKj/UHlrrLXvAEjWqXlvi8r8lQ==",
       "dev": true,
       "dependencies": {
         "source-map": "~0.6.0"
@@ -3085,12 +3085,12 @@
       }
     },
     "node_modules/clean-css-cli": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.0.tgz",
-      "integrity": "sha512-Jri2KVAcan/Y1JuEDo1rUlm3vUoGvMKSOpIL2YEPgalksvoGur/yL2KbtMF2dPs2VlMVj1afzp76Vu0KjxKfvA==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.2.tgz",
+      "integrity": "sha512-NZY3lWHeeb9idk/0f37yDLeb3Y8UUiuuRCYKVVioqFJU83f3uuJUz7qIIYBgAWARv56D0MLOkwqQcq5fTtK6vQ==",
       "dev": true,
       "dependencies": {
-        "clean-css": "^5.1.2",
+        "clean-css": "^5.1.4",
         "commander": "7.x",
         "glob": "^7.1.6"
       },
@@ -13689,9 +13689,9 @@
       "dev": true
     },
     "clean-css": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.2.tgz",
-      "integrity": "sha512-QcaGg9OuMo+0Ds933yLOY+gHPWbxhxqF0HDexmToPf8pczvmvZGYzd+QqWp9/mkucAOKViI+dSFOqoZIvXbeBw==",
+      "version": "5.1.4",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.1.4.tgz",
+      "integrity": "sha512-e6JAuR0T2ahg7fOSv98Nxqh7mHWOac5TaCSgrr61h/6mkPLwlxX38hzob4h6IKj/UHlrrLXvAEjWqXlvi8r8lQ==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
@@ -13706,12 +13706,12 @@
       }
     },
     "clean-css-cli": {
-      "version": "5.3.0",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.0.tgz",
-      "integrity": "sha512-Jri2KVAcan/Y1JuEDo1rUlm3vUoGvMKSOpIL2YEPgalksvoGur/yL2KbtMF2dPs2VlMVj1afzp76Vu0KjxKfvA==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.3.2.tgz",
+      "integrity": "sha512-NZY3lWHeeb9idk/0f37yDLeb3Y8UUiuuRCYKVVioqFJU83f3uuJUz7qIIYBgAWARv56D0MLOkwqQcq5fTtK6vQ==",
       "dev": true,
       "requires": {
-        "clean-css": "^5.1.2",
+        "clean-css": "^5.1.4",
         "commander": "7.x",
         "glob": "^7.1.6"
       }
diff --git a/package.json b/package.json
index 9e06dff270..591d2466d1 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "buble": "^0.20.0",
     "buble-loader": "^0.5.1",
     "chaikin-smooth": "^1.0.4",
-    "clean-css-cli": "5.3.0",
+    "clean-css-cli": "5.3.2",
     "copy-webpack-plugin": "^9.0.0",
     "coverage-istanbul-loader": "^3.0.5",
     "coveralls": "3.1.1",