diff --git a/package-lock.json b/package-lock.json
index 5042f89..36626a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
         "eslint": "^10.5.0",
         "eslint-config-next": "^16.2.9",
         "markdownlint-cli2": "^0.22.1",
-        "postcss": "^8.5.15",
+        "postcss": "^8.5.16",
         "prettier": "^3.8.4",
         "tailwindcss": "^4.3.0",
         "typescript": "^6.0.3",
@@ -8245,9 +8245,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
-      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "version": "8.5.16",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
+      "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/package.json b/package.json
index f358c05..98cfb53 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "eslint": "^10.5.0",
     "eslint-config-next": "^16.2.9",
     "markdownlint-cli2": "^0.22.1",
-    "postcss": "^8.5.15",
+    "postcss": "^8.5.16",
     "prettier": "^3.8.4",
     "tailwindcss": "^4.3.0",
     "typescript": "^6.0.3",