diff --git a/pyproject.toml b/pyproject.toml
index 23e8a33..1a5f644 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -406,7 +406,7 @@ markers = [
 ]
 norecursedirs = [".ansible", "scenarios"]
 testpaths = ["tests"]
-verbosity_assertions = 2
+verbosity_assertions = "2"
 
 [tool.ruff]
 builtins = ["__"]