diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 6d7b92f..3e04142 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -24,7 +24,7 @@
         "@types/react": "^19.2.14",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^6.0.1",
-        "postcss": "^8.4.0",
+        "postcss": "^8.5.9",
         "tailwindcss": "^4.2.1",
         "typescript": "^6.0.2",
         "vite": "^8.0.0"
@@ -1334,9 +1334,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.9.tgz",
+      "integrity": "sha512-7a70Nsot+EMX9fFU3064K/kdHWZqGVY+BADLyXc8Dfv+mTLLVl6JzJpPaCZ2kQL9gIJvKXSLMHhqdRRjwQeFtw==",
       "dev": true,
       "funding": [
         {
diff --git a/frontend/package.json b/frontend/package.json
index 8cdd4c3..669d361 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -25,7 +25,7 @@
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
-    "postcss": "^8.4.0",
+    "postcss": "^8.5.9",
     "tailwindcss": "^4.2.1",
     "typescript": "^6.0.2",
     "vite": "^8.0.0"