diff --git a/package-lock.json b/package-lock.json
index a93dae3..b2c716b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4181,7 +4181,8 @@
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-          "dev": true
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@@ -4205,13 +4206,15 @@
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           "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-          "dev": true
+          "dev": true,
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           "dev": true,
+          "optional": true,
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@@ -4228,19 +4231,22 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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-          "dev": true
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-          "dev": true
+          "dev": true,
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@@ -4371,7 +4377,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4385,6 +4392,7 @@
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           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
+          "optional": true,
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@@ -4401,6 +4409,7 @@
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           "dev": true,
+          "optional": true,
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           }
@@ -4409,13 +4418,15 @@
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           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
+          "dev": true,
+          "optional": true
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         "minipass": {
           "version": "2.3.5",
           "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
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           "dev": true,
+          "optional": true,
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@@ -4436,6 +4447,7 @@
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           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
           "dev": true,
+          "optional": true,
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@@ -4524,7 +4536,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4538,6 +4551,7 @@
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           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4633,7 +4647,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4675,6 +4690,7 @@
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           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
+          "optional": true,
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@@ -4696,6 +4712,7 @@
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           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
+          "optional": true,
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@@ -4744,13 +4761,15 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -9939,14 +9958,14 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.0.0.tgz",
-      "integrity": "sha512-dOapGTU0hETFl1tCo4t56FN+2jffoKyER9qBGoUFyZ6y7WLoKT0bF+lAYi6B6YsILcGF3q1C2FBh8QcKSCgkgA==",
+      "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": "^2.19.0",
+        "commander": "^2.20.0",
         "source-map": "~0.6.1",
-        "source-map-support": "~0.5.10"
+        "source-map-support": "~0.5.12"
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       "dependencies": {
         "source-map": {