diff --git a/pyproject.toml b/pyproject.toml
index 5212a32..270e424 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ jinja2 = "*"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.0"
-pytest-cov = "^4.0"
+pytest-cov = "^6.0.0"
 parameterized = "^0.9.0"
 
 [tool.poetry.group.docs]