diff --git a/pyproject.toml b/pyproject.toml
index 423b200..4ed8de7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ yaml = ["ruamel.yaml"]
 
 [tool.poetry.dev-dependencies]
 pytest = "^8.0"
-pytest-cov = "^4.0"
+pytest-cov = "^5.0"
 pytest-console-scripts = "^1.2"
 
 [tool.poetry.scripts]