diff --git a/package-lock.json b/package-lock.json
index 9f9fd096aaf..e4c56af4cc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2805,21 +2805,22 @@
       }
     },
     "clean-css": {
-      "version": "5.2.2",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.2.2.tgz",
-      "integrity": "sha512-/eR8ru5zyxKzpBLv9YZvMXgTSSQn7AdkMItMYynsFgGwTveCRVam9IUPFloE85B4vAIj05IuKmmEoV7/AQjT0w==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.0.tgz",
+      "integrity": "sha512-YYuuxv4H/iNb1Z/5IbMRoxgrzjWGhOEFfd+groZ5dMCVkpENiMZmwspdrzBo9286JjM1gZJPAyL7ZIdzuvu2AQ==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
       }
     },
     "clean-css-cli": {
-      "version": "5.4.2",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.4.2.tgz",
-      "integrity": "sha512-BYxVOuBQL8f2+yucOgmwUi1idpAQV4k9bxG6mxTrBikuwrkXBG5/Pq6tqCi4GZUtgvslMj8dGVtFSoXp9OLzeA==",
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.6.0.tgz",
+      "integrity": "sha512-68vorNEG808D1QzeerO9AlwQVTuaR8YSK4aqwIsjJq0wDSyPH11ApHY0O+EQrdEGUZcN+d72v+Nn/gpxjAFewQ==",
       "dev": true,
       "requires": {
-        "clean-css": "^5.2.2",
+        "chokidar": "^3.5.2",
+        "clean-css": "^5.3.0",
         "commander": "7.x",
         "glob": "^7.1.6"
       },
diff --git a/package.json b/package.json
index 2b80d39786a..0b1fb27bb74 100644
--- a/package.json
+++ b/package.json
@@ -133,7 +133,7 @@
     "autoprefixer": "^10.4.0",
     "browser-sync": "^2.27.7",
     "bundlewatch": "^0.3.2",
-    "clean-css-cli": "^5.4.2",
+    "clean-css-cli": "^5.6.0",
     "concurrently": "^6.4.0",
     "eslint": "^8.4.0",
     "eslint-config-xo": "^0.39.0",