diff --git a/test-requirements.txt b/test-requirements.txt
index a46c469..531fc9d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0 # BSD
 mox>=0.5.3 # Apache-2.0
 mox3!=0.19.0,>=0.7.0 # Apache-2.0
-oslo.config>=4.0.0 # Apache-2.0
+oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 pylint==1.4.5 # GPLv2
 testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT