diff --git a/requirements_dev.txt b/requirements_dev.txt
index e7f422e..6ece6c3 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,6 +3,6 @@ punch.py==1.4.2
 watchdog==0.8.3
 flake8==3.4.1
 tox==2.9.1
-coverage==4.4.1
+coverage==4.5
 Sphinx==1.6.4
 isort==4.2.15
\ No newline at end of file