diff --git a/src/package-lock.json b/src/package-lock.json
index 9efb24ed..646465cf 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -1266,9 +1266,9 @@
       "optional": 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": "5.2.2",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.2.2.tgz",
+      "integrity": "sha512-/eR8ru5zyxKzpBLv9YZvMXgTSSQn7AdkMItMYynsFgGwTveCRVam9IUPFloE85B4vAIj05IuKmmEoV7/AQjT0w==",
       "requires": {
         "source-map": "~0.6.0"
       }
diff --git a/src/package.json b/src/package.json
index 5ff7673a..34b1f90d 100644
--- a/src/package.json
+++ b/src/package.json
@@ -31,7 +31,7 @@
   ],
   "dependencies": {
     "async": "^3.2.1",
-    "clean-css": "^5.2.1",
+    "clean-css": "^5.2.2",
     "cookie-parser": "1.4.5",
     "cross-spawn": "^7.0.3",
     "ejs": "^3.1.6",