diff --git a/package-lock.json b/package-lock.json
index ff2d26396..c72a96c5b 100644
--- a/package-lock.json
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@@ -12172,12 +11018,6 @@
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-    "text-extensions": {
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-      "resolved": "https://registry.npmjs.org/text-extensions/-/text-extensions-1.6.0.tgz",
-      "integrity": "sha512-U2M04F2rbuYYCNioiTD14cImLTae4ys1rC57tllzKg3dt5DPR2JXs5yFdC017yOBrW6wM6s5gtAlFJ7yye04rA==",
-      "dev": true
-    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -12308,12 +11148,6 @@
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       "dev": true
     },
-    "traverse": {
-      "version": "0.6.6",
-      "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.6.6.tgz",
-      "integrity": "sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc=",
-      "dev": true
-    },
     "trim": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/trim/-/trim-0.0.1.tgz",
@@ -12324,12 +11158,6 @@
       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
       "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM="
     },
-    "trim-off-newlines": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz",
-      "integrity": "sha1-n5up2e+odkw4dpi8v+sshI8RrbM=",
-      "dev": true
-    },
     "trim-right": {
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       "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -12424,9 +11252,9 @@
       "optional": true
     },
     "uglifyjs-webpack-plugin": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.4.tgz",
-      "integrity": "sha512-fRrOJ5tv6YCsJIhP9mPRnfgyo4DVNSIfNOa7Gs9aT1NNpeJc85W7GcbVxQgc+9rU3No6tnkbMqZ4xsgRBU+HGQ==",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.5.tgz",
+      "integrity": "sha512-YBGc9G7dv12Vjx8vUQs54DZgAXVf04LlG6dNNiEbTZjL3PbUqiY4uPB9Kv+fUJaqRskEGva/lS7sh08yJr7jnA==",
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diff --git a/package.json b/package.json
index 3d682139b..847d468a0 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "style-loader": "^0.19.1",
     "to-ast": "^1.0.0",
     "type-detect": "^4.0.5",
-    "uglifyjs-webpack-plugin": "1.1.4",
+    "uglifyjs-webpack-plugin": "1.1.5",
     "unist-util-visit": "^1.3.0",
     "webpack-dev-server": "^2.9.7",
     "webpack-merge": "^4.1.1"