diff --git a/package-lock.json b/package-lock.json
index 1e089d9..7c39c2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1223,6 +1223,15 @@
         "underscore": "~1.8.3"
       }
     },
+    "json-int64": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-int64/-/json-int64-1.0.0.tgz",
+      "integrity": "sha512-yrTg9swToElhEPETLMdZkEzDhbXLs+cxkw/b2rglMPOBlM1DE0utH1EReSMLcnpYJk5iUvD12r0fP2/xHitF5Q==",
+      "dev": true,
+      "requires": {
+        "node-int64": "0.4.0"
+      }
+    },
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",