diff --git a/pyproject.toml b/pyproject.toml
index 3cf5de0..f8e19f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ black = ">=23.1,<25.0"
 mypy = "^1.1.1"
 pre-commit = "^3.1.1"
 pytest = ">=7.2.2,<9.0.0"
-pytest-cov = ">=4,<6"
+pytest-cov = ">=4,<7"
 httpx = ">=0.23.3,<0.29.0"
 starlette = ">=0.37.2"