diff --git a/package.json b/package.json
index 172a4c5..cebdca1 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@types/react": "19.2.17",
     "@types/react-dom": "19.2.3",
     "eslint": "9.39.5",
-    "postcss": "8.5.15",
+    "postcss": "8.5.19",
     "prettier": "3.8.4",
     "tailwindcss": "4.3.1",
     "typescript": "5.9.3"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 87af3c9..4ce37f2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -62,8 +62,8 @@ importers:
         specifier: 9.39.5
         version: 9.39.5(jiti@2.7.0)
       postcss:
-        specifier: 8.5.15
-        version: 8.5.15
+        specifier: 8.5.19
+        version: 8.5.19
       prettier:
         specifier: 3.8.4
         version: 3.8.4
@@ -2151,6 +2151,10 @@ packages:
     resolution: {integrity: sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==}
     engines: {node: ^10 || ^12 || >=14}
 
+  postcss@8.5.19:
+    resolution: {integrity: sha512-Mz8SaolMd8nB+G13WkORcxQKHZ/NE4xXevtkJHVuG+guo9/wYKlIMTKAqGdEmYOXR2ijPjTYNHssizdaVSUNdQ==}
+    engines: {node: ^10 || ^12 || >=14}
+
   prelude-ls@1.2.1:
     resolution: {integrity: sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==}
     engines: {node: '>= 0.8.0'}
@@ -4738,6 +4742,12 @@ snapshots:
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
+  postcss@8.5.19:
+    dependencies:
+      nanoid: 3.3.13
+      picocolors: 1.1.1
+      source-map-js: 1.2.1
+
   prelude-ls@1.2.1: {}
 
   prettier-plugin-packagejson@2.5.19(prettier@3.8.4):