diff --git a/package-lock.json b/package-lock.json
index dfd7739..39a77c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -48,7 +48,7 @@
         "tailwind-merge": "^2.6.0",
         "three": "0.160.0",
         "unified": "^11.0.5",
-        "unpdf": "^1.8.1",
+        "unpdf": "1.8.1",
         "xlsx": "^0.18.5",
         "zod": "^3.25.76",
         "zod-to-json-schema": "^3.25.2"