diff --git a/package.json b/package.json
index 6802c9b5..98eb51f6 100644
--- a/package.json
+++ b/package.json
@@ -69,6 +69,7 @@
     "vue-splitpane": "1.0.4",
     "vuedraggable": "2.20.0",
     "vuex": "3.1.0",
+    "exceljs": "^1.10.0",
     "xlsx": "0.14.1"
   },
   "devDependencies": {