diff --git a/package.json b/package.json
index db7e61f..5277b71 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "test": "jest"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20260124.0",
+    "@cloudflare/workers-types": "^4.20260226.1",
     "@types/jest": "^27.5.0",
     "@types/node": "^25.0.10",
     "jest": "^26.6.3",
diff --git a/yarn.lock b/yarn.lock
index 3566904..dea01fd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -318,10 +318,10 @@
   resolved "https://registry.yarnpkg.com/@cloudflare/workerd-windows-64/-/workerd-windows-64-1.20260120.0.tgz#6cfe22cece89ee0754b226538997c0a3e45c39b4"
   integrity sha512-ASZIz1E8sqZQqQCgcfY1PJbBpUDrxPt8NZ+lqNil0qxnO4qX38hbCsdDF2/TDAuq0Txh7nu8ztgTelfNDlb4EA==
 
-"@cloudflare/workers-types@^4.20260124.0":
-  version "4.20260124.0"
-  resolved "https://registry.yarnpkg.com/@cloudflare/workers-types/-/workers-types-4.20260124.0.tgz#f0935369fdc60f5558f24a00db7296347a692235"
-  integrity sha512-h6TJlew6AtGuEXFc+k5ifalk+tg3fkg0lla6XbMAb2AKKfJGwlFNTwW2xyT/Ha92KY631CIJ+Ace08DPdFohdA==
+"@cloudflare/workers-types@^4.20260226.1":
+  version "4.20260226.1"
+  resolved "https://registry.yarnpkg.com/@cloudflare/workers-types/-/workers-types-4.20260226.1.tgz#6b1cb586c31fe1e8d189c18071644292db740b59"
+  integrity sha512-ci/3wgHBLs7QYemyPCJa8ooQd0f9mL9V8cXknZj5f9joX1Iuf6+isDbfjphn0o/bDHpt88vxabC9mXeIYvBVDw==
 
 "@cnakazawa/watch@^1.0.3":
   version "1.0.4"