diff --git a/test-requirements.txt b/test-requirements.txt
index 35d489d8..778f68a4 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ mock>=1.0
 pycrypto>=2.6
 oslosphinx>=2.2.0  # Apache-2.0
 oslotest>=1.2.0  # Apache-2.0
-oslo.messaging>=1.4.0
+oslo.messaging>=1.4.0,!=1.5.0
 requests-mock>=0.5.1  # Apache-2.0
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 testrepository>=0.0.18