diff --git a/package.json b/package.json
index 96cd66b..43a22e7 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "cp-cli": "~1.1.2",
     "webpack": "~3.12.0",
     "awesome-typescript-loader": "~3.5.0",
-    "uglifyjs-webpack-plugin": "~1.2.5",
+    "uglifyjs-webpack-plugin": "~1.3.0",
     "copy-webpack-plugin": "~4.5.1",
     "jest": "~22.4.3",
     "jest-junit-reporter": "~1.1.0",
diff --git a/yarn.lock b/yarn.lock
index d1b2c7f..5cc34e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4733,9 +4733,9 @@ uglifyjs-webpack-plugin@^0.4.6:
     uglify-js "^2.8.29"
     webpack-sources "^1.0.1"
 
-uglifyjs-webpack-plugin@~1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.5.tgz#2ef8387c8f1a903ec5e44fa36f9f3cbdcea67641"
+uglifyjs-webpack-plugin@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.3.0.tgz#75f548160858163a08643e086d5fefe18a5d67de"
   dependencies:
     cacache "^10.0.4"
     find-cache-dir "^1.0.0"