diff --git a/requirements-dev.txt b/requirements-dev.txt
index 08fca0b..2c34a57 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 -r requirements.txt
 tox==3.20.1
-coverage==5.3
+coverage==5.3.1
 pylint==2.6.0
 pytest-cov==2.10.1
 pylint==2.6.0