diff --git a/package-lock.json b/package-lock.json
index 0a95b58..f781e79 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2936,10 +2936,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "requires": {
-            "number-is-nan": "^1.0.0"
-          }
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs="
         },
         "minipass": {
           "version": "2.9.0",
@@ -2959,7 +2956,6 @@
           "version": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "requires": {
-            "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
             "strip-ansi": "^3.0.0"
           }
@@ -5468,7 +5464,8 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
           "dev": true,
           "optional": true
         }
@@ -6364,9 +6361,9 @@
       }
     },
     "terser": {
-      "version": "4.6.3",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.3.tgz",
-      "integrity": "sha512-Lw+ieAXmY69d09IIc/yqeBqXpEQIpDGZqT34ui1QWXIUpR2RjbqEkT8X7Lgex19hslSqcWM5iMN2kM11eMsESQ==",
+      "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",