diff --git a/web/package-lock.json b/web/package-lock.json
index afc4a5c..04ce9d7 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -44,7 +44,7 @@
         "jsdom": "^27.2.0",
         "msw": "^2.12.7",
         "playwright": "^1.58.0",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.15",
         "rollup-plugin-visualizer": "^6.0.5",
         "tailwindcss": "^3.4.19",
         "typescript": "~5.9.3",
@@ -4759,9 +4759,9 @@
       }
     },
     "node_modules/nanoid": {
-      "version": "3.3.11",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-      "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+      "version": "3.3.12",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.12.tgz",
+      "integrity": "sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==",
       "dev": true,
       "funding": [
         {
@@ -5126,9 +5126,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "version": "8.5.15",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
+      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
       "dev": true,
       "funding": [
         {
@@ -5146,7 +5146,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.11",
+        "nanoid": "^3.3.12",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/web/package.json b/web/package.json
index 1035c57..6969ed6 100644
--- a/web/package.json
+++ b/web/package.json
@@ -50,7 +50,7 @@
     "jsdom": "^27.2.0",
     "msw": "^2.12.7",
     "playwright": "^1.58.0",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.15",
     "rollup-plugin-visualizer": "^6.0.5",
     "tailwindcss": "^3.4.19",
     "typescript": "~5.9.3",