diff --git a/cross-project-tests/lit.cfg.py b/cross-project-tests/lit.cfg.py
index 47062866fbc26..774c4eaf4d976 100644
--- a/cross-project-tests/lit.cfg.py
+++ b/cross-project-tests/lit.cfg.py
@@ -4,7 +4,8 @@
 import subprocess
 import sys
 
-from looseversion import LooseVersion
+# TODO: LooseVersion is undocumented; use something else.
+from distutils.version import LooseVersion
 
 import lit.formats
 import lit.util