diff --git a/package-lock.json b/package-lock.json
index aeb49a2..9f1dff4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1937,7 +1937,7 @@
       "dependencies": {
         "mkdirp": {
           "version": "0.3.5",
-          "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.5.tgz",
           "integrity": "sha1-3j5fiWHIjHh+4TaN+EmsRBPsqNc=",
           "dev": true
         },
@@ -12639,9 +12639,9 @@
       "dev": true
     },
     "underscore": {
-      "version": "1.8.3",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-      "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=",
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
+      "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g==",
       "dev": true
     },
     "underscore.string": {