diff --git a/tests/e2e/package.json b/tests/e2e/package.json
index dd8e01e7..80669f15 100644
--- a/tests/e2e/package.json
+++ b/tests/e2e/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "1.29.0",
     "openai": "4.65.0",
-    "undici": "6.27.0",
+    "undici": "6.28.0",
     "yaml": "2.8.3"
   }
 }