diff --git a/package-lock.json b/package-lock.json
index f0f5521..4000484 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -307,7 +307,7 @@
                 },
                 "chalk": {
                     "version": "1.1.3",
-                    "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+                    "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
                     "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
                     "dev": true,
                     "requires": {
@@ -320,7 +320,7 @@
                 },
                 "strip-ansi": {
                     "version": "3.0.1",
-                    "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
                     "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
                     "dev": true,
                     "requires": {
@@ -1802,7 +1802,7 @@
         },
         "is-accessor-descriptor": {
             "version": "0.1.6",
-            "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+            "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
             "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
             "dev": true,
             "requires": {
@@ -1851,7 +1851,7 @@
         },
         "is-data-descriptor": {
             "version": "0.1.4",
-            "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+            "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
             "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
             "dev": true,
             "requires": {
@@ -3033,24 +3033,10 @@
             "dev": true
         },
         "undefsafe": {
-            "version": "2.0.2",
-            "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
-            "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-            "dev": true,
-            "requires": {
-                "debug": "^2.2.0"
-            },
-            "dependencies": {
-                "debug": {
-                    "version": "2.6.9",
-                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-                    "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-                    "dev": true,
-                    "requires": {
-                        "ms": "2.0.0"
-                    }
-                }
-            }
+            "version": "2.0.5",
+            "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+            "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+            "dev": true
         },
         "union-value": {
             "version": "1.0.0",