diff --git a/test-requirements.txt b/test-requirements.txt
index 5b93a1750..638cff28e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,7 +8,7 @@ discover # BSD
 fixtures>=1.3.1 # Apache-2.0/BSD
 keyring>=5.5.1 # MIT/PSF
 mock>=1.2 # BSD
-python-keystoneclient!=1.8.0,>=1.6.0 # Apache-2.0
+python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
 requests-mock>=0.7.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 os-client-config>=1.13.1 # Apache-2.0