diff --git a/pyproject.toml b/pyproject.toml
index 2b64bc0..5a5c141 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -83,7 +83,7 @@ experimental = ["cognite-sdk-experimental"]
 mypy = "1.12.1"
 ruff = "^0.7.0"
 pytest = "^8.0.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 sphinx = "^7.0.0"
 sphinx-rtd-theme = "^3.0.0"
 pre-commit = "^4.0.0"