diff --git a/frontend/package.json b/frontend/package.json
index 8e104a7..087d386 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -30,7 +30,7 @@
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.2.0",
-    "postcss": "^8.5.18",
+    "postcss": "^8.5.23",
     "prettier": "^3.8.1",
     "tailwindcss": "^4.2.2",
     "typescript": "^5.9.3",
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index c33efd8..edd28e9 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -64,8 +64,8 @@ importers:
         specifier: ^5.2.0
         version: 5.2.0(vite@7.3.5(@types/node@24.10.9)(jiti@2.6.1)(lightningcss@1.32.0)(tsx@4.21.0)(yaml@2.8.3))
       postcss:
-        specifier: ^8.5.18
-        version: 8.5.18
+        specifier: ^8.5.23
+        version: 8.5.23
       prettier:
         specifier: ^3.8.1
         version: 3.8.1
@@ -1048,8 +1048,8 @@ packages:
     resolution: {integrity: sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==}
     engines: {node: '>=12'}
 
-  postcss@8.5.18:
-    resolution: {integrity: sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==}
+  postcss@8.5.23:
+    resolution: {integrity: sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==}
     engines: {node: ^10 || ^12 || >=14}
 
   prettier@3.8.1:
@@ -1693,7 +1693,7 @@ snapshots:
       '@alloc/quick-lru': 5.2.0
       '@tailwindcss/node': 4.2.2
       '@tailwindcss/oxide': 4.2.2
-      postcss: 8.5.18
+      postcss: 8.5.23
       tailwindcss: 4.2.2
 
   '@tanstack/history@1.161.6': {}
@@ -2092,7 +2092,7 @@ snapshots:
 
   picomatch@4.0.4: {}
 
-  postcss@8.5.18:
+  postcss@8.5.23:
     dependencies:
       nanoid: 3.3.17
       picocolors: 1.1.1
@@ -2229,7 +2229,7 @@ snapshots:
       esbuild: 0.27.7
       fdir: 6.5.0(picomatch@4.0.4)
       picomatch: 4.0.4
-      postcss: 8.5.18
+      postcss: 8.5.23
       rollup: 4.62.2
       tinyglobby: 0.2.17
     optionalDependencies: