diff --git a/pyproject.toml b/pyproject.toml
index fab7e28..69df5f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,7 +89,7 @@ test = [
     "pytest~=7.4.4; python_version<'3.9'",
     "pytest~=8.3.3; python_version>='3.9'",
     "pytest-asyncio~=0.21.2",
-    "pytest-cov~=5.0.0; python_version<'3.9'",
+    "pytest-cov~=6.0.0; python_version<'3.9'",
     "pytest-cov~=6.0.0; python_version>='3.9'",
     "pytest-httpx~=0.22.0; python_version<'3.9'",
     "pytest-httpx~=0.33.0; python_version>='3.9'",