diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1cb67cb8e..558761d9e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 -r requirements.txt
-coverage
+coverage==4.5.4
 flake8
 pre-commit
 pylint<1.4