diff --git a/package-lock.json b/package-lock.json
index 25b66c3..61426f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -59,9 +59,9 @@
 			}
 		},
 		"@cloudflare/workers-types": {
-			"version": "2.2.2",
-			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-2.2.2.tgz",
-			"integrity": "sha512-kaMn2rueJ0PL1TYVGknTCh0X0x0d9G+FNXAFep7/4uqecEZoQb/63o6rOmMuiqI09zLuHV6xhKRXinokV/MY9A==",
+			"version": "4.20240502.0",
+			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20240502.0.tgz",
+			"integrity": "sha512-OB1jIyPOzyOcuZFHWhsQnkRLN6u8+jmU9X3T4KZlGgn3Ivw8pBiswhLOp+yFeChR3Y4/5+V0hPFRko5SReordg==",
 			"dev": true
 		},
 		"@cloudflare/wrangler": {
diff --git a/package.json b/package.json
index dd98778..fd6ea73 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
 	},
 	"homepage": "https://github.com/betahuhn/workers-template#readme",
 	"devDependencies": {
-		"@cloudflare/workers-types": "^2.2.2",
+		"@cloudflare/workers-types": "^4.20240502.0",
 		"@cloudflare/wrangler": "^1.21.0",
 		"@types/chai": "^4.3.3",
 		"@types/mocha": "^8.2.3",