diff --git a/package-lock.json b/package-lock.json
index ab94fe6..bc37011 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -624,9 +624,9 @@
       "dev": true
     },
     "clean-css": {
-      "version": "5.3.1",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.1.tgz",
-      "integrity": "sha512-lCr8OHhiWCTw4v8POJovCoh4T7I9U11yVsPjMWWnnMmp9ZowCxyad1Pathle/9HjaDp+fdQKjO9fQydE6RHTZg==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.2.tgz",
+      "integrity": "sha512-JVJbM+f3d3Q704rF4bqQ5UUyTtuJ0JRKNbTKVEeujCCBoMdkEi+V+e8oktO9qGQNSvHrFTM6JZRXrUvGR1czww==",
       "dev": true,
       "requires": {
         "source-map": "~0.6.0"
diff --git a/package.json b/package.json
index 9241bf6..a4d6346 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "devDependencies": {
     "@11ty/eleventy": "^1.0.2",
     "@11ty/eleventy-plugin-syntaxhighlight": "^4.1.0",
-    "clean-css": "^5.3.1",
+    "clean-css": "^5.3.2",
     "@11ty/eleventy-img": "^2.0.1"
   }
 }