diff --git a/package.json b/package.json
index e97bf81..6ad8813 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "nprogress": "^0.2.0",
     "qs": "^6.7.0",
     "sortablejs": "^1.8.4",
+    "tslib": "^2.4.1",
     "url-loader": "^4.1.1",
     "vue": "2.6.14",
     "vue-class-component": "^7.0.2",
@@ -35,6 +36,7 @@
     "vue-property-decorator": "^8.3.0",
     "vue-router": "^3.3.4",
     "vue2-animate": "^1.0.4",
+    "vuedraggable": "^2.15.0",
     "vuex": "^3.0.1"
   },
   "devDependencies": {