diff --git a/package-lock.json b/package-lock.json
index a5b0002..ee98ba2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.1.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "itty-router": "^3.0.12"
+        "itty-router": "^5.0.17"
       },
       "devDependencies": {
         "@cloudflare/workers-types": "^4.20240512.0",
@@ -1896,9 +1896,9 @@
       "dev": true
     },
     "node_modules/itty-router": {
-      "version": "3.0.12",
-      "resolved": "https://registry.npmjs.org/itty-router/-/itty-router-3.0.12.tgz",
-      "integrity": "sha512-s98XTPhle6GGbaFf0kYrOD3Q8gyhnqvOqkwYijC3AmkceNKqWUp13YHg6dWmqmVv4pP7l7c94XI92I0EXVGO0w=="
+      "version": "5.0.17",
+      "resolved": "https://registry.npmjs.org/itty-router/-/itty-router-5.0.17.tgz",
+      "integrity": "sha512-ZHnPI0OOyTTLuNp2FdciejYaK4Wl3ZV3O0yEm8njOGggh/k/ek3BL7X2I5YsCOfc5vLhIJgj3Z4pUtLs6k9Ucg=="
     },
     "node_modules/js-yaml": {
       "version": "4.1.0",
diff --git a/package.json b/package.json
index 07ab05f..802453e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "format": "prettier --write '**/*.{js,ts,cjs,mjs}'"
   },
   "dependencies": {
-    "itty-router": "^3.0.12"
+    "itty-router": "^5.0.17"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20240512.0",