diff --git a/requirements_dev.txt b/requirements_dev.txt
index 83498eeb..2abdab8e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ mypy==1.13.0
 pdoc==15.0.0
 pip==24.3.1
 pre-commit==4.0.1
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest==8.3.3
 ruff==0.7.3