diff --git a/pyproject.toml b/pyproject.toml
index 71a6b8b8f..afebaf56d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ jsonschema = "4.23.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 mike = "^2.0.0"
 mkdocs = "^1.2.2"
 mkdocs-material = "^9.0.0"