diff --git a/requirements_dev.txt b/requirements_dev.txt
index 0724f23..089f84c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,6 @@
 flake8
 tox
-coverage
+coverage==7.1.0
 Sphinx
 PyYAML
 pytest