diff --git a/requirements-dev.txt b/requirements-dev.txt
index 87523b1..2e37128 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -e .
-coverage==4.3
+coverage==4.3.1
 django-coverage-plugin==1.3.1
 flake8==3.2.1
 isort==4.2.5