diff --git a/backend/package-lock.json b/backend/package-lock.json
index 8fe10270..1d471f06 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -15,7 +15,7 @@
         "@tailwindcss/postcss": "^4.2.2",
         "@tailwindcss/typography": "^0.5.19",
         "alpinejs": "^3.15.8",
-        "postcss": "^8.5.8",
+        "postcss": "^8.5.16",
         "signature_pad": "^5.1.3",
         "tailwindcss": "^4.2.2",
         "vite": "^8.0.3"
@@ -1274,9 +1274,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
-      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "version": "8.5.16",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
+      "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
       "dev": true,
       "funding": [
         {
diff --git a/backend/package.json b/backend/package.json
index e5a53128..1e3d6dc5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -16,7 +16,7 @@
     "@tailwindcss/postcss": "^4.2.2",
     "@tailwindcss/typography": "^0.5.19",
     "alpinejs": "^3.15.8",
-    "postcss": "^8.5.8",
+    "postcss": "^8.5.16",
     "signature_pad": "^5.1.3",
     "tailwindcss": "^4.2.2",
     "vite": "^8.0.3"