diff --git a/package-lock.json b/package-lock.json
index aa55551e4b55..a1d6589f48cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2591,9 +2591,9 @@
       "dev": true
     },
     "clean-css": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.2.1.tgz",
-      "integrity": "sha512-ooQCa1/70oRfVdUUGjKpbHuxgMgm8BsDT5EBqBGvPxMoRoGXf4PNx5mMnkjzJ9Ptx4vvmDdha0QVh86QtYIk1g==",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.1.tgz",
+      "integrity": "sha512-lCr8OHhiWCTw4v8POJovCoh4T7I9U11yVsPjMWWnnMmp9ZowCxyad1Pathle/9HjaDp+fdQKjO9fQydE6RHTZg==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
@@ -2608,12 +2608,13 @@
       }
     },
     "clean-css-cli": {
-      "version": "5.4.1",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.4.1.tgz",
-      "integrity": "sha512-LQLY8HKQP2d/M0FVbNfpoVbHMHh/ARIET2r80odAKuTN0RUOp8J8pU9eDlqMa1yezuUH3ipQxTVM/+vpunAhnA==",
+      "version": "5.6.1",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.6.1.tgz",
+      "integrity": "sha512-/StJu1YODZY6cOwkBx5FMhSoc9YmvEJXtwNN+udGg1GIKrr4PkdsCdUqC26GfdPdt5IuZnu+5y9/3mrdIJa40Q==",
       "dev": true,
       "requires": {
-        "clean-css": "^5.2.1",
+        "chokidar": "^3.5.2",
+        "clean-css": "^5.3.1",
         "commander": "7.x",
         "glob": "^7.1.6"
       },
diff --git a/package.json b/package.json
index 6ef5d9f5755c..2a92a3e01209 100644
--- a/package.json
+++ b/package.json
@@ -111,7 +111,7 @@
     "@rollup/plugin-replace": "^3.0.0",
     "autoprefixer": "^10.3.6",
     "bundlewatch": "^0.3.2",
-    "clean-css-cli": "^5.4.1",
+    "clean-css-cli": "^5.6.1",
     "cross-env": "^7.0.3",
     "cspell": "^5.12.0",
     "eslint": "^7.32.0",