diff --git a/package-lock.json b/package-lock.json
index 19ad314..80344bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "drag-tree-table",
-  "version": "2.0.1",
+  "version": "2.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -5203,9 +5203,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "http://npm.mfwdev.com/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg=",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "loglevel": {