diff --git a/tools/internal_generate_release_zips.py b/tools/internal_generate_release_zips.py
index b73bd71..f14f6a4 100644
--- a/tools/internal_generate_release_zips.py
+++ b/tools/internal_generate_release_zips.py
@@ -21,8 +21,8 @@ def zipdir(path, ziph):
                         os.path.relpath(os.path.join(root, file), 
                                         os.path.join(path, '..')))
 
-with zipfile.ZipFile("bevy_components.zip", mode="w") as archive:
+with zipfile.ZipFile("bevy_components.zip", mode="w", compression=zipfile.ZIP_DEFLATED) as archive:
     zipdir('./bevy_components', archive)
 
-with zipfile.ZipFile("gltf_auto_export.zip", mode="w") as archive:
+with zipfile.ZipFile("gltf_auto_export.zip", mode="w", compression=zipfile.ZIP_DEFLATED) as archive:
     zipdir('./gltf_auto_export', archive)
\ No newline at end of file