diff --git a/test-requirements.txt b/test-requirements.txt
index 7fe603c..45d44b8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 # Hacking already pins down pep8, pyflakes and flake8
 bandit>=1.1.0 # Apache-2.0
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
-coverage>=4.0 # Apache-2.0
+coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0 # BSD
 funcsigs>=0.4;python_version=='2.7' or python_version=='2.6' # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0