diff --git a/package-lock.json b/package-lock.json
index 9539e45..2b66373 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": "^4.0.13"
       },
       "devDependencies": {
         "@cloudflare/workers-types": "^4.20230321.0",
@@ -1031,9 +1031,9 @@
       "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": "4.0.13",
+      "resolved": "https://registry.npmjs.org/itty-router/-/itty-router-4.0.13.tgz",
+      "integrity": "sha512-iiQ9k1nQgaal/MteVft5pwYkvzuZx3idPT9tYpKWl7rKH74tyz5VVSVUCXUO0iBh5HDXjHYsix90UrFKPfThHg=="
     },
     "node_modules/kleur": {
       "version": "4.1.5",
@@ -2262,9 +2262,9 @@
       "dev": true
     },
     "itty-router": {
-      "version": "3.0.12",
-      "resolved": "https://registry.npmjs.org/itty-router/-/itty-router-3.0.12.tgz",
-      "integrity": "sha512-s98XTPhle6GGbaFf0kYrOD3Q8gyhnqvOqkwYijC3AmkceNKqWUp13YHg6dWmqmVv4pP7l7c94XI92I0EXVGO0w=="
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/itty-router/-/itty-router-4.0.13.tgz",
+      "integrity": "sha512-iiQ9k1nQgaal/MteVft5pwYkvzuZx3idPT9tYpKWl7rKH74tyz5VVSVUCXUO0iBh5HDXjHYsix90UrFKPfThHg=="
     },
     "kleur": {
       "version": "4.1.5",
diff --git a/package.json b/package.json
index 8aad46d..3edc160 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "publish": "npx wrangler publish"
   },
   "dependencies": {
-    "itty-router": "^3.0.12"
+    "itty-router": "^4.0.13"
   },
   "devDependencies": {
     "@cloudflare/workers-types": "^4.20230321.0",