diff --git a/package-lock.json b/package-lock.json
index 14078a9c..232d7421 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
       "devDependencies": {
         "autoprefixer": "^10.4.20",
         "eslint-plugin-compat": "^6.0.2",
-        "postcss": "^8.5.2",
+        "postcss": "^8.5.3",
         "postcss-cli": "^11.0.0",
         "prettier": "^3.5.1",
         "xo": "^0.60.0"
@@ -6136,9 +6136,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.2",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.2.tgz",
-      "integrity": "sha512-MjOadfU3Ys9KYoX0AdkBlFEF1Vx37uCCeN4ZHnmwm9FfpbsGWMZeBLMmmpY+6Ocqod7mkdZ0DT31OlbsFrLlkA==",
+      "version": "8.5.3",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
+      "integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
       "dev": true,
       "funding": [
         {
diff --git a/package.json b/package.json
index 558fd29d..29d6d231 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "autoprefixer": "^10.4.20",
     "eslint-plugin-compat": "^6.0.2",
-    "postcss": "^8.5.2",
+    "postcss": "^8.5.3",
     "postcss-cli": "^11.0.0",
     "prettier": "^3.5.1",
     "xo": "^0.60.0"