diff --git a/pyproject.toml b/pyproject.toml
index 0f7eb51..3983581 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ python = "^3.7"
 black = "^20.8b1"
 flake8 = "^3.8.4"
 pytest = "^6.2.2"
-pytest-cov = "^2.11.1"
+pytest-cov = "^6.0.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]