diff --git a/test-requirements.txt b/test-requirements.txt
index 61b4fea..47584f9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 hacking<0.12,>=0.11.0 # Apache-2.0
 mox>=0.5.3 # Apache-2.0