diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6b0086fe..d9f921c1 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -10,4 +10,4 @@ pytest==8.3.3
 pytest-runner==6.0.1
 sphinx-thebe==0.3.1
 advertools==0.16.1
-pytest-cov
+pytest-cov==5.0.0