diff --git a/package-lock.json b/package-lock.json
index 2ce3a00..ce77d10 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -224,11 +224,6 @@
         "superagent": "^3.7.0"
       }
     },
-    "chai-subset": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/chai-subset/-/chai-subset-1.6.0.tgz",
-      "integrity": "sha1-pdDKFOMpp5WW7XAFi2ZGvWmIz+k="
-    },
     "chalk": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -1841,12 +1836,9 @@
       }
     },
     "undefsafe": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "requires": {
-        "debug": "^2.2.0"
-      }
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA=="
     },
     "unique-string": {
       "version": "1.0.0",