diff --git a/tools/net/ynl/lib/.gitignore b/tools/net/ynl/lib/.gitignore
new file mode 100644
index 000000000000..c18dd8d83cee
--- /dev/null
+++ b/tools/net/ynl/lib/.gitignore
@@ -0,0 +1 @@
+__pycache__/