diff --git a/package-lock.json b/package-lock.json
index 7bf6bc7b..3e26a239 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -76,7 +76,7 @@
         "magic-string": "^0.30.17",
         "mock-socket": "^9.3.1",
         "nyc": "^18.0.0",
-        "postcss": "^8.3.6",
+        "postcss": "^8.5.13",
         "rimraf": "^6.0.1",
         "sass": "^1.42.1",
         "shelljs": "^0.10.0",
@@ -12346,9 +12346,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.13",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.13.tgz",
+      "integrity": "sha512-qif0+jGGZoLWdHey3UFHHWP0H7Gbmsk8T5VEqyYFbWqPr1XqvLGBbk/sl8V5exGmcYJklJOhOQq1pV9IcsiFag==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 4fd52f9e..f2601b7a 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "magic-string": "^0.30.17",
     "mock-socket": "^9.3.1",
     "nyc": "^18.0.0",
-    "postcss": "^8.3.6",
+    "postcss": "^8.5.13",
     "rimraf": "^6.0.1",
     "sass": "^1.42.1",
     "shelljs": "^0.10.0",