diff --git a/web/batch_glb_png/package.json b/web/batch_glb_png/package.json
index f39d185..1207954 100644
--- a/web/batch_glb_png/package.json
+++ b/web/batch_glb_png/package.json
@@ -2,6 +2,7 @@
   "name": "batch_glb_png",
   "type": "module",
   "dependencies": {
-    "puppeteer": "^24.37.5"
+    "puppeteer": "^24.37.5",
+    "sharp": "^0.34.5"
   }
 }