diff --git a/html/package.json b/html/package.json
index 4776852..5aff15c 100644
--- a/html/package.json
+++ b/html/package.json
@@ -49,7 +49,7 @@
     "sass-loader": "^8.0.2",
     "scssfmt": "^1.0.7",
     "style-loader": "^1.2.1",
-    "terser-webpack-plugin": "^3.0.5",
+    "terser-webpack-plugin": "^3.0.6",
     "through2": "^3.0.1",
     "ts-loader": "^7.0.5",
     "tslint": "^6.1.2",
diff --git a/html/yarn.lock b/html/yarn.lock
index 88ddeb9..0836478 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -7753,10 +7753,10 @@ terser-webpack-plugin@^1.4.3:
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser-webpack-plugin@^3.0.5:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-3.0.5.tgz#f048cfbddd6098b10a8737f3165344529656daad"
-  integrity sha512-pyHUyfQUZB3ciYL81GgXzDh8Qb3fGED77xDjZVSFYSN1cQnWgC51OMPKj7vBWVZx0GGuYhpa9+Vz2KxkzXWhBA==
+terser-webpack-plugin@^3.0.6:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-3.0.6.tgz#db0a108bbdd3680d72c9b491fbabad09ba207b99"
+  integrity sha512-z3HLOOPUHkCNGkeEHqqiMAIy1pjpHwS1o+i6Zn0Ws3EAvHJj46737efNNEvJ0Vx9BdDQM83d56qySDJOSORA0A==
   dependencies:
     cacache "^15.0.4"
     find-cache-dir "^3.3.1"
@@ -7765,13 +7765,13 @@ terser-webpack-plugin@^3.0.5:
     schema-utils "^2.6.6"
     serialize-javascript "^4.0.0"
     source-map "^0.6.1"
-    terser "^4.6.13"
+    terser "^4.8.0"
     webpack-sources "^1.4.3"
 
-terser@^4.1.2, terser@^4.6.13, terser@^4.6.3:
-  version "4.6.13"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.13.tgz#e879a7364a5e0db52ba4891ecde007422c56a916"
-  integrity sha512-wMvqukYgVpQlymbnNbabVZbtM6PN63AzqexpwJL8tbh/mRT9LE5o+ruVduAGL7D6Fpjl+Q+06U5I9Ul82odAhw==
+terser@^4.1.2, terser@^4.6.3, terser@^4.8.0:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
+  integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"