diff --git a/package-lock.json b/package-lock.json
index 1416ac8..785a844 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1757,7 +1757,7 @@
 				},
 				"eslint": {
 					"version": "4.19.1",
-					"resolved": "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
+					"resolved": "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
 					"integrity": "sha512-bT3/1x1EbZB7phzYu7vCr1v3ONuzDtX8WjuM9c0iYxe+cq+pwcKEoQjl7zd3RpC6YOLgnSy3cTN58M2jcoPDIQ==",
 					"dev": true,
 					"optional": true,
@@ -2882,7 +2882,7 @@
 		},
 		"acorn-jsx": {
 			"version": "3.0.1",
-			"resolved": "http://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+			"resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
 			"integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
 			"dev": true,
 			"optional": true,
@@ -2892,7 +2892,7 @@
 			"dependencies": {
 				"acorn": {
 					"version": "3.3.0",
-					"resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+					"resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
 					"integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
 					"dev": true,
 					"optional": true
@@ -4139,7 +4139,7 @@
 		},
 		"buffer": {
 			"version": "4.9.1",
-			"resolved": "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+			"resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
 			"integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
 			"dev": true,
 			"requires": {
@@ -11390,7 +11390,7 @@
 				},
 				"load-json-file": {
 					"version": "1.1.0",
-					"resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+					"resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
 					"integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
 					"dev": true,
 					"requires": {
@@ -11651,7 +11651,7 @@
 		},
 		"mkdirp": {
 			"version": "0.5.1",
-			"resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+			"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
 			"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
 			"dev": true,
 			"requires": {
@@ -15893,9 +15893,9 @@
 			}
 		},
 		"terser": {
-			"version": "4.3.9",
-			"resolved": "https://registry.npmjs.org/terser/-/terser-4.3.9.tgz",
-			"integrity": "sha512-NFGMpHjlzmyOtPL+fDw3G7+6Ueh/sz4mkaUYa4lJCxOPTNzd0Uj0aZJOmsDYoSQyfuVoWDMSWTPU3huyOm2zdA==",
+			"version": "4.8.1",
+			"resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+			"integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
 			"dev": true,
 			"requires": {
 				"commander": "^2.20.0",