diff --git a/requirements_test.txt b/requirements_test.txt
index 728b802..a11a143 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-coverage==4.4.2
+coverage==4.5.1
 mock>=1.0.1
 flake8>=2.1.0
 tox>=1.7.0