diff --git a/pyproject.toml b/pyproject.toml
index d141dae..ea74db9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ pytest-html = "^4.0.0"
 coverage = "^7.0.5"
 coverage-badge = "^1.1.0"
 black = "^24.1.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 
 [tool.black]
 # https://github.com/psf/black