diff --git a/.gitignore b/.gitignore
index 8e0f1d3ca7..2547918e8b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -134,3 +134,4 @@ project.properties
 /external/winrt-specific/
 /external/wp8-specific/
 /v3-deps-*.zip
+/external/version.json