diff --git a/requirements_dev.txt b/requirements_dev.txt
index af9772b..21cc2ec 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ bumpversion==0.5.3
 wheel==0.33.1
 Sphinx==1.8.4
 watchdog==0.9.0
-coverage==4.5.2
+coverage==4.5.3
 sphinxcontrib-napoleon==0.7
 pytest==4.3.0
 tox==3.7.0