diff --git a/test-requirements.txt b/test-requirements.txt
index 3e81a129..79f8b5db 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 bandit>=1.1.0 # Apache-2.0
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 httplib2>=0.7.5 # MIT
 mock>=2.0 # BSD