diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7197412..0c7b168 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,5 +2,5 @@ maturin==1.7.4
 mypy==1.13.0
 pandas-stubs==2.2.3.241009; python_version>="3.10"
 pytest==8.3.3
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 ruff==0.7.1