diff --git a/package-lock.json b/package-lock.json
index d4863e4..90b0d46 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "wouter": "^3.10.0"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.20260630.1",
+        "@cloudflare/workers-types": "^5.20260712.1",
         "@preact/preset-vite": "^2.10.5",
         "@types/node": "^26.0.1",
         "autoprefixer": "^10.5.2",
@@ -698,9 +698,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20260630.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260630.1.tgz",
-      "integrity": "sha512-yl+c9vwvko9UZ0frmtsHuwOh3BRHvNjLrfelAp5Akpqe1+Ho1UWekr3nmjJ1D64CH0Yb0K0oRMV4i7npOFzsog==",
+      "version": "5.20260712.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260712.1.tgz",
+      "integrity": "sha512-tkQ18Lz41EPXLzh4cSuIGQzztDVueuGfTcjlP4M7Qa0rfHpVBNItf3GRkd9O0JgiXs9csAwz/kVv7sjYXSoF2w==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index 0b206d8..0792347 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "ws": "8.21.0"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20260630.1",
+    "@cloudflare/workers-types": "^5.20260712.1",
     "@preact/preset-vite": "^2.10.5",
     "@types/node": "^26.0.1",
     "autoprefixer": "^10.5.2",