diff --git a/python-upgrade/.gitignore b/python-upgrade/.gitignore
new file mode 100644
index 0000000..e53f115
--- /dev/null
+++ b/python-upgrade/.gitignore
@@ -0,0 +1,9 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Intent: resources that git should filter from checkins
+# -----------------------------------------------------------------------
+
+.venv/
+sandbox/ # cloned repositories
+
+# [EOF]