diff --git a/requirements.txt b/requirements.txt
index 8ffce884..1f436af9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,5 +12,5 @@ oslo.serialization>=1.4.0 # Apache-2.0
 oslo.utils>=2.0.0 # Apache-2.0
 python-heatclient>=0.3.0
 PyYAML>=3.1.0
-requests>=2.5.2
+requests!=2.8.0,>=2.5.2
 six>=1.9.0