diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 553ed6365..55ea94ebf 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -553,5 +553,6 @@ if __name__ == "__main__":
 
     print()
 
+    write_script(".gitignore", ["*"])
     build_dep_all()
     build_pillow()