diff --git a/requirements/tests.txt b/requirements/tests.txt
index 15bc81f..773f5eb 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -3,4 +3,4 @@
 coveralls==1.1
 py==1.10.0
 pytest==2.8.4
-pytest-cov==2.2.0
+pytest-cov==4.0.0