diff --git a/requirements.txt b/requirements.txt
index 104aa1dfa6..783b6c654c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ oslo.rootwrap<1.7.0,>=1.6.0 # Apache-2.0
 oslo.serialization<1.5.0,>=1.4.0 # Apache-2.0
 oslo.utils!=1.4.1,<1.5.0,>=1.4.0 # Apache-2.0
 paramiko>=1.13.0
-requests!=2.4.0,>=2.2.0
+requests!=2.4.0,<2.8.0,>=2.2.0
 python-barbicanclient<3.1.0,>=3.0.1
 python-cinderclient<1.2.0,>=1.1.0
 python-keystoneclient<1.4.0,>=1.2.0