Updated dependencies

package.json

@@ -63,6 +63,7 @@
     "i18next-sync-fs-backend": "^1.1.0",
     "i18next-xhr-backend": "^1.5.0",
     "immutability-helper": "^2.7.1",
+    "jsonwebtoken": "^8.5.0",
     "leaflet": "^1.3.1",
     "lodash": "^4.17.11",
     "minimist": "^1.2.0",