diff --git a/pyproject.toml b/pyproject.toml
index d80cf01..d541402 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ isort = "^5.12.0"
 pre-commit = ">=3.3.3,<5.0.0"
 pysen = ">=0.10.5,<0.12.0"
 pytest = ">=7.4,<9.0"
-pytest-cov = ">=4.1,<6.0"
+pytest-cov = ">=4.1,<7.0"
 pytest-xdist = "^3.3.1"
 
 [build-system]