diff --git a/package-lock.json b/package-lock.json
index 9df4b5a..a779c94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -437,7 +437,7 @@
 				},
 				"nan": {
 					"version": "2.10.0",
-					"resolved": "http://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
+					"resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
 					"integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA=="
 				},
 				"needle": {
@@ -3411,7 +3411,7 @@
 		},
 		"semver": {
 			"version": "4.3.2",
-			"resolved": "http://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-4.3.2.tgz",
 			"integrity": "sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c="
 		},
 		"semver-diff": {
@@ -3868,13 +3868,10 @@
 			"integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
 		},
 		"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"
-			}
+			"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",