diff --git a/web/package-lock.json b/web/package-lock.json
index c3feaef6..bc0a41ff 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -20,7 +20,7 @@
         "@types/react": "^19.0.0",
         "@types/react-dom": "^19.0.0",
         "autoprefixer": "^10.4.21",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.10",
         "tailwindcss": "^3.4.17",
         "typescript": "^5.8.3",
         "wrangler": "^4.30.0"
@@ -2436,9 +2436,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "dev": true,
       "funding": [
         {
diff --git a/web/package.json b/web/package.json
index f3dce75c..f154ed2f 100644
--- a/web/package.json
+++ b/web/package.json
@@ -21,7 +21,7 @@
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "autoprefixer": "^10.4.21",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.10",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.8.3",
     "wrangler": "^4.30.0"