diff --git a/next-demo/package-lock.json b/next-demo/package-lock.json
index b31e0eb..6a2d344 100644
--- a/next-demo/package-lock.json
+++ b/next-demo/package-lock.json
@@ -4439,9 +4439,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.31",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
-      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
+      "version": "8.5.23",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.23.tgz",
+      "integrity": "sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==",
       "funding": [
         {
           "type": "opencollective",
@@ -4458,9 +4458,9 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.6",
-        "picocolors": "^1.0.0",
-        "source-map-js": "^1.0.2"
+        "nanoid": "^3.3.16",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
diff --git a/next-demo/package.json b/next-demo/package.json
index cb330ff..5e8a2a1 100644
--- a/next-demo/package.json
+++ b/next-demo/package.json
@@ -18,5 +18,13 @@
   "devDependencies": {
     "eslint": "^9",
     "eslint-config-next": "15.5.25"
+  },
+  "overrides": {
+    "next": {
+      "postcss": "8.5.23"
+    },
+    "postcss": {
+      "postcss": "8.5.23"
+    }
   }
 }