diff --git a/conformance/test/_util.py b/conformance/test/_util.py
index 1e9d255..5fc0617 100644
--- a/conformance/test/_util.py
+++ b/conformance/test/_util.py
@@ -3,7 +3,7 @@
 import asyncio
 import sys
 
-VERSION_CONFORMANCE = "0bed9ca203aeda4e344edc442a4b2ede91726db5"
+VERSION_CONFORMANCE = "v1.0.5"
 
 
 async def create_standard_streams():