diff --git a/pyproject.toml b/pyproject.toml
index 4cf0f5e..d66f77c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ test = [
     "pre-commit==4.0.1",
     "ruff==0.6.8",
     "pytest==8.3.3",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
 ]
 
 [tool.setuptools]