diff --git a/package-lock.json b/package-lock.json
index 38995bc9..08c61769 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2234,13 +2234,11 @@
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diff --git a/package.json b/package.json
index 360aa0e9..38b71c18 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
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+    "uglifyjs-webpack-plugin": "^1.3.0",
     "web-animations-js": "^2.3.1",
     "webpack": "^4.17.1",
     "webpack-bundle-analyzer": "^3.0.0",