diff --git a/package-lock.json b/package-lock.json
index 1acae29..b16d746 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2793,29 +2793,29 @@
       }
     },
     "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": "5.2.2",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.2.2.tgz",
+      "integrity": "sha512-/eR8ru5zyxKzpBLv9YZvMXgTSSQn7AdkMItMYynsFgGwTveCRVam9IUPFloE85B4vAIj05IuKmmEoV7/AQjT0w==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
       }
     },
     "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": "5.4.2",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-5.4.2.tgz",
+      "integrity": "sha512-BYxVOuBQL8f2+yucOgmwUi1idpAQV4k9bxG6mxTrBikuwrkXBG5/Pq6tqCi4GZUtgvslMj8dGVtFSoXp9OLzeA==",
       "dev": true,
       "requires": {
-        "clean-css": "^5.1.2",
+        "clean-css": "^5.2.2",
         "commander": "7.x",
         "glob": "^7.1.6"
       },
       "dependencies": {
         "commander": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-7.1.0.tgz",
-          "integrity": "sha512-pRxBna3MJe6HKnBGsDyMv8ETbptw3axEdYHoqNh7gu5oDcew8fs0xnivZGm06Ogk8zGAJ9VX+OPEr2GXEQK4dg==",
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
+          "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index 4b7d0ee..4bf7d19 100644
--- a/package.json
+++ b/package.json
@@ -133,7 +133,7 @@
     "autoprefixer": "^10.2.5",
     "browser-sync": "^2.26.14",
     "bundlewatch": "^0.3.2",
-    "clean-css-cli": "^5.2.2",
+    "clean-css-cli": "^5.4.2",
     "concurrently": "^6.0.0",
     "eslint": "^7.22.0",
     "eslint-config-xo": "^0.35.0",