diff --git a/pyproject.toml b/pyproject.toml
index fed5225..d7a26b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ test = [
     "pytest>=8,<9",
     "pytest-asyncio>=0,<1",
     "pytest-aiohttp>=1.0,<2",
-    "pytest-cov>=5,<6",
+    "pytest-cov>=5,<7",
     "aresponses>=3,<4",
     "fastapi-slim>=0.111,<1",
     "httpx>=0.27,<1",