diff --git a/package.json b/package.json
index bca9e55..7637f2f 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "lint:prettier": "prettier --write ."
   },
   "dependencies": {
-    "@cloudflare/itty-router-openapi": "^0.1.11"
+    "@cloudflare/itty-router-openapi": "^1.1.1"
   },
   "devDependencies": {
     "@babel/preset-typescript": "^7.22.5",
diff --git a/yarn.lock b/yarn.lock
index 7af07d6..718ccf2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -25,6 +25,13 @@
     call-me-maybe "^1.0.1"
     js-yaml "^4.1.0"
 
+"@asteasolutions/zod-to-openapi@^6.4.0":
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/@asteasolutions/zod-to-openapi/-/zod-to-openapi-6.4.0.tgz#3081e7f56febdb7c58fcee4dd5cfb3cbcb01742c"
+  integrity sha512-8cxfF7AHHx2PqnN4Cd8/O8CBu/nVYJP9DpnfVLW3BFb66VJDnqI/CczZnkqMc3SNh6J9GiX7JbJ5T4BSP4HZ2Q==
+  dependencies:
+    openapi3-ts "^4.1.2"
+
 "@asyncapi/specs@^4.0.1":
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/@asyncapi/specs/-/specs-4.1.1.tgz#3cb9fa9e1e7cf2c205d22ff4fba7ddbc41bcfb62"
@@ -517,12 +524,16 @@
     picocolors "^1.0.0"
     sisteransi "^1.0.5"
 
-"@cloudflare/itty-router-openapi@^0.1.11":
-  version "0.1.11"
-  resolved "https://registry.yarnpkg.com/@cloudflare/itty-router-openapi/-/itty-router-openapi-0.1.11.tgz#a881a994c513a9bb150590b56a31648c190f8fb3"
-  integrity sha512-bmeUFBKmm90b+4BCOCQ+lXqVHvRzN9Mf2p2/DV2plMZnsnlxr4xGiWPsfVfacJ0f6VzFqPA8zqxfB9du+0y6cg==
+"@cloudflare/itty-router-openapi@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@cloudflare/itty-router-openapi/-/itty-router-openapi-1.1.1.tgz#0bcaef5726d09435340fcb8446111ed4d2b1d368"
+  integrity sha512-iJKV7vIaJctMykyiNC89W+ZR3cQ5q8tQL1rVejtkXSj+/AuJYX0l7NrrM3D3u+SijbvsNsNMjFsoCGIzG7tpmQ==
   dependencies:
-    itty-router "^4.0.13"
+    "@asteasolutions/zod-to-openapi" "^6.4.0"
+    itty-router "4.0.26"
+    js-yaml "^4.1.0"
+    openapi3-ts "^4.1.2"
+    zod "^3.21.4"
 
 "@cloudflare/kv-asset-handler@^0.2.0":
   version "0.2.0"
@@ -3324,10 +3335,10 @@ istanbul-reports@^3.1.3:
     html-escaper "^2.0.0"
     istanbul-lib-report "^3.0.0"
 
-itty-router@^4.0.13:
-  version "4.0.13"
-  resolved "https://registry.yarnpkg.com/itty-router/-/itty-router-4.0.13.tgz#92347ebbc2366c6a6af2b42e31c324f47ca4c8e4"
-  integrity sha512-iiQ9k1nQgaal/MteVft5pwYkvzuZx3idPT9tYpKWl7rKH74tyz5VVSVUCXUO0iBh5HDXjHYsix90UrFKPfThHg==
+itty-router@4.0.26:
+  version "4.0.26"
+  resolved "https://registry.yarnpkg.com/itty-router/-/itty-router-4.0.26.tgz#8fd29b7070d9faf0857ca5bd097f80e304ea7fcd"
+  integrity sha512-GBcmhxQRvIQ7fuzXPlvfeQcN6O7VGhctzdG9WHIcEcaRYH4FvDpMxuSWRIAxQrIM+nxtfxK0/bR78ATvb4LC5Q==
 
 jake@^10.8.5:
   version "10.8.5"
@@ -4268,6 +4279,13 @@ openapi-validator@^0.14.2:
     path-parser "^6.1.0"
     typeof "^1.0.0"
 
+openapi3-ts@^4.1.2:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/openapi3-ts/-/openapi3-ts-4.3.1.tgz#8f4b68e97e7885d531694938f59983e866c47dc1"
+  integrity sha512-ha/kTOLhMQL7MvS9Abu/cpCXx5qwHQ++88YkUzn1CGfmM8JvCOG/4ZE6tRsexgXRFaoJrcwLyf81H2Y/CXALtA==
+  dependencies:
+    yaml "^2.4.1"
+
 optionator@^0.9.3:
   version "0.9.3"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.9.3.tgz#007397d44ed1872fdc6ed31360190f81814e2c64"
@@ -5413,6 +5431,11 @@ yallist@^4.0.0:
   resolved "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz"
   integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
 
+yaml@^2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yaml/-/yaml-2.4.1.tgz#2e57e0b5e995292c25c75d2658f0664765210eed"
+  integrity sha512-pIXzoImaqmfOrL7teGUBt/T7ZDnyeGBWyXQBvOVhLkWLN37GXv8NMLK406UY6dS51JfcQHsmcW5cJ441bHg6Lg==
+
 yargs-parser@^21.0.1, yargs-parser@^21.1.1:
   version "21.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-21.1.1.tgz#9096bceebf990d21bb31fa9516e0ede294a77d35"
@@ -5450,7 +5473,7 @@ youch@^3.2.2:
     mustache "^4.2.0"
     stacktracey "^2.1.8"
 
-zod@^3.20.6:
-  version "3.21.4"
-  resolved "https://registry.yarnpkg.com/zod/-/zod-3.21.4.tgz#10882231d992519f0a10b5dd58a38c9dabbb64db"
-  integrity sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==
+zod@^3.20.6, zod@^3.21.4:
+  version "3.22.4"
+  resolved "https://registry.yarnpkg.com/zod/-/zod-3.22.4.tgz#f31c3a9386f61b1f228af56faa9255e845cf3fff"
+  integrity sha512-iC+8Io04lddc+mVqQ9AZ7OQ2MrUKGN+oIQyq1vemgt46jwCwLfhq7/pwnBnNXXXZb8VTVLKwp9EDkx+ryxIWmg==