diff --git a/package-lock.json b/package-lock.json
index ab6fdf0..e4960b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -310,9 +310,9 @@
       }
     },
     "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
       "dev": true
     },
     "caller-callsite": {
@@ -2222,9 +2222,9 @@
       "dev": true
     },
     "source-map-support": {
-      "version": "0.5.13",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
-      "integrity": "sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==",
+      "version": "0.5.21",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+      "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
       "dev": true,
       "requires": {
         "buffer-from": "^1.0.0",
@@ -2403,9 +2403,9 @@
       }
     },
     "terser": {
-      "version": "4.3.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.1.tgz",
-      "integrity": "sha512-pnzH6dnFEsR2aa2SJaKb1uSCl3QmIsJ8dEkj0Fky+2AwMMcC9doMqLOQIH6wVTEKaVfKVvLSk5qxPBEZT9mywg==",
+      "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",