diff --git a/.github/workflows/comfy_windows.yml b/.github/workflows/comfy_windows.yml
index 56a845a..2f541ab 100644
--- a/.github/workflows/comfy_windows.yml
+++ b/.github/workflows/comfy_windows.yml
@@ -39,7 +39,7 @@ jobs:
           rm -rf ComfyUI/.ci
           rm -rf ComfyUI/.gitignore
 
-          zip -r ComfyUI_windows_portable.zip ComfyUI
+          zip -r -9 ComfyUI_windows_portable.zip ComfyUI
           du -sh ComfyUI_windows_portable.zip
 
       - name: Upload binaries to release