diff --git a/pyproject.toml b/pyproject.toml
index 2566f23..37a6cdf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ jinja2 = "^3.1.2"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 twine = "^5.0.0"
 tox = "^4.7.0"
 flake8 = "^7.0.0"