diff --git a/tests/requirements.txt b/tests/requirements.txt
index 0d22b4bd..55995759 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,4 @@
-coverage==5.3
+coverage==5.3.1
 ddt
 mock
 pytest>=4.6.0