diff --git a/host.json b/host.json
index f45cbbb..94890e0 100644
--- a/host.json
+++ b/host.json
@@ -20,7 +20,7 @@
     },
     "extensionBundle": {
         "id": "Microsoft.Azure.Functions.ExtensionBundle",
-        "version": "[1.*, 2.0.0)"
+        "version": "[1.*, 2.0.0, 2.6.1)"
     },
     "functions": [ "QueueProcessor", "GitHubWebHook" ],
     "functionTimeout": "00:05:00",