diff --git a/pyproject.toml b/pyproject.toml
index b9c879b..f3c8327 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ starlette = ">=0.37.2,<1"
 httpx = ">=0.23.1,<0.28.0"
 mkdocs-material = ">=8.3.9,<10.0.0"
 pytest = ">=7,<9"
-pytest-cov = ">=3,<6"
+pytest-cov = ">=3,<7"
 pytest-lazy-fixtures = ">=1.0.1"
 ruff = ">=0.5.1,<0.9.0"
 tox = ">=4.12.1,<5"