diff --git a/web/package.json b/web/package.json
index 891fe2a..1085017 100644
--- a/web/package.json
+++ b/web/package.json
@@ -50,7 +50,7 @@
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
     "globals": "^16.1.0",
-    "postcss": "^8.4.38",
+    "postcss": "^8.5.5",
     "tailwindcss": "^4.1.7",
     "tw-animate-css": "^1.3.0",
     "typescript": "^5.5.3",
diff --git a/web/pnpm-lock.yaml b/web/pnpm-lock.yaml
index afefb1b..989d085 100644
--- a/web/pnpm-lock.yaml
+++ b/web/pnpm-lock.yaml
@@ -107,7 +107,7 @@ importers:
         version: 3.10.0(vite@6.3.5(@types/node@22.15.21)(jiti@2.4.2)(lightningcss@1.30.1))
       autoprefixer:
         specifier: ^10.4.19
-        version: 10.4.21(postcss@8.5.3)
+        version: 10.4.21(postcss@8.5.5)
       eslint:
         specifier: ^9.27.0
         version: 9.27.0(jiti@2.4.2)
@@ -121,8 +121,8 @@ importers:
         specifier: ^16.1.0
         version: 16.1.0
       postcss:
-        specifier: ^8.4.38
-        version: 8.5.3
+        specifier: ^8.5.5
+        version: 8.5.5
       tailwindcss:
         specifier: ^4.1.7
         version: 4.1.7
@@ -1650,8 +1650,8 @@ packages:
   postcss-value-parser@4.2.0:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
 
-  postcss@8.5.3:
-    resolution: {integrity: sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==}
+  postcss@8.5.5:
+    resolution: {integrity: sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==}
     engines: {node: ^10 || ^12 || >=14}
 
   prelude-ls@1.2.1:
@@ -2791,14 +2791,14 @@ snapshots:
 
   attr-accept@2.2.5: {}
 
-  autoprefixer@10.4.21(postcss@8.5.3):
+  autoprefixer@10.4.21(postcss@8.5.5):
     dependencies:
       browserslist: 4.24.5
       caniuse-lite: 1.0.30001718
       fraction.js: 4.3.7
       normalize-range: 0.1.2
       picocolors: 1.1.1
-      postcss: 8.5.3
+      postcss: 8.5.5
       postcss-value-parser: 4.2.0
 
   balanced-match@1.0.2: {}
@@ -3243,7 +3243,7 @@ snapshots:
 
   postcss-value-parser@4.2.0: {}
 
-  postcss@8.5.3:
+  postcss@8.5.5:
     dependencies:
       nanoid: 3.3.11
       picocolors: 1.1.1
@@ -3456,7 +3456,7 @@ snapshots:
       esbuild: 0.25.4
       fdir: 6.4.4(picomatch@4.0.2)
       picomatch: 4.0.2
-      postcss: 8.5.3
+      postcss: 8.5.5
       rollup: 4.41.0
       tinyglobby: 0.2.13
     optionalDependencies: