diff --git a/requirements-tests.txt b/requirements-tests.txt
index b1f5290..3c21b4d 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,3 +1,3 @@
-coverage==4.5.3
+coverage==4.5.4
 pytest==4.5.0
 pytest-mock==1.10.4