diff --git a/changelog/5524.bugfix.rst b/changelog/5524.bugfix.rst
new file mode 100644
index 00000000000..3b94ca853a6
--- /dev/null
+++ b/changelog/5524.bugfix.rst
@@ -0,0 +1 @@
+Fixed rare race condition error when creating the ``basetemp`` directory.
diff --git a/src/_pytest/pathlib.py b/src/_pytest/pathlib.py
index ecc38eb0f4d..956dbaea0da 100644
--- a/src/_pytest/pathlib.py
+++ b/src/_pytest/pathlib.py
@@ -33,7 +33,7 @@ def ensure_reset_dir(path):
     """
     if path.exists():
         rmtree(path, force=True)
-    path.mkdir()
+    path.mkdir(exist_ok=True)
 
 
 def rmtree(path, force=False):