diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0724f23..dd9631b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 flake8
 tox
-coverage
+coverage==7.0.5
 Sphinx
 PyYAML
 pytest