diff --git a/package.json b/package.json
index a645dbf..94c254a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,8 @@
   "dependencies": {
     "lodash": "^4.17.21",
     "oak-domain": "file:../oak-domain",
-    "oak-external-sdk": "file:../oak-external-sdk"
+    "oak-external-sdk": "file:../oak-external-sdk",
+    "xlsx": "0.18.5"
   },
   "devDependencies": {
     "@types/node": "^18.0.0",
@@ -26,4 +27,4 @@
     "tslib": "^2.4.0",
     "typescript": "~4.7.4"
   }
-}
+}
\ No newline at end of file