diff --git a/tests/requirements/sanic.txt b/tests/requirements/sanic.txt
index e11c6f2..d41a58e 100644
--- a/tests/requirements/sanic.txt
+++ b/tests/requirements/sanic.txt
@@ -1,7 +1,7 @@
 # these are constrained by the files in tests/constraints/*.txt
 # to support a triple stack Django/Flask/Sanic
 aiohttp
-aioredis
+aioredis<2.0.0
 Sanic
 sanic_redis
 uvloop>=0.14.0rc1