diff --git a/requirements_dev.txt b/requirements_dev.txt
index 4b899dd..fe0d59e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@ pip==20.0.2
 wheel==0.34.2
 flake8==3.7.9
 tox==3.14.6
-coverage==5.0.4
+coverage==5.1
 Sphinx==2.4.4
 pytest==5.4.1
 twine==3.1.1