diff --git a/requirements/base.txt b/requirements/base.txt
index 4ae4b466..cf4a968a 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -5,7 +5,7 @@ docker
 msrestazure
 pyarrow
 pytest
-pytest-asyncio
+pytest-asyncio==0.21.1
 pytest-cov
 pytest-mock
-requests
\ No newline at end of file
+requests