diff --git a/package-lock.json b/package-lock.json
index 4c9e2dc2..dc64c604 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,7 +40,7 @@
         "eslint": "^10.0.3",
         "eslint-plugin-compat": "^7.0.1",
         "globals": "^17.4.0",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.8",
         "postcss-cli": "^11.0.1",
         "prettier": "^3.8.1",
         "xo": "^1.2.3"
@@ -6899,9 +6899,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "version": "8.5.8",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
+      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index ab9185a6..30abe106 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "eslint": "^10.0.3",
     "eslint-plugin-compat": "^7.0.1",
     "globals": "^17.4.0",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.8",
     "postcss-cli": "^11.0.1",
     "prettier": "^3.8.1",
     "xo": "^1.2.3"