diff --git a/packages/worker/package.json b/packages/worker/package.json
index 2bc7125bc..c26d9e40b 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -15,7 +15,7 @@
 	"license": "Apache-2.0",
 	"devDependencies": {
 		"@babel/preset-env": "^7.26.9",
-		"@cloudflare/vitest-pool-workers": "^0.7.7",
+		"@cloudflare/vitest-pool-workers": "^0.8.4",
 		"@cloudflare/workers-types": "^4.20250321.0",
 		"@eslint/js": "^9.23.0",
 		"@typescript-eslint/eslint-plugin": "^8.27.0",