diff --git a/src/_pytest/config/findpaths.py b/src/_pytest/config/findpaths.py
index ead344baa..43c236779 100644
--- a/src/_pytest/config/findpaths.py
+++ b/src/_pytest/config/findpaths.py
@@ -96,6 +96,7 @@ def locate_config(
     and return a tuple of (rootdir, inifile, cfg-dict)."""
     config_names = [
         "pytest.ini",
+        ".pytest.ini",
         "pyproject.toml",
         "tox.ini",
         "setup.cfg",