diff --git a/backend/package.json b/backend/package.json
index 0f114ca..6ea2f84 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -10,7 +10,8 @@
     "lint": "eslint src/**/*.ts",
     "seed": "npx prisma db seed",
     "seed:demo": "node prisma/seed-demo.js",
-    "seed:all": "npx prisma db seed && node prisma/seed-demo.js"
+    "seed:all": "npx prisma db seed && node prisma/seed-demo.js",
+    "postinstall": "cd node_modules/tinypdf-plus && npm run build || true"
   },
   "prisma": {
     "seed": "node dist/prisma/seed.js"