diff --git a/html/package.json b/html/package.json
index 0bd289c..ef77a35 100644
--- a/html/package.json
+++ b/html/package.json
@@ -32,7 +32,7 @@
     ]
   },
   "devDependencies": {
-    "copy-webpack-plugin": "^6.1.0",
+    "copy-webpack-plugin": "^6.3.0",
     "css-loader": "^4.3.0",
     "gts": "^1.1.2",
     "gulp": "^4.0.2",
diff --git a/html/yarn.lock b/html/yarn.lock
index a0043a8..77b1097 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -379,6 +379,16 @@ ajv@^6.12.5:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.12.5:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 alphanum-sort@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/alphanum-sort/-/alphanum-sort-1.0.2.tgz#97a1119649b211ad33691d9f9f486a8ec9fbe0a3"
@@ -1681,10 +1691,10 @@ copy-props@^2.0.1:
     each-props "^1.3.0"
     is-plain-object "^2.0.1"
 
-copy-webpack-plugin@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-6.1.0.tgz#5bde7f826d87e716d8d5e761ddd34bb675448458"
-  integrity sha512-aWjIuLt1OVQxaDVffnt3bnGmLA8zGgAJaFwPA+a+QYVPh1vhIKjVfh3SbOFLV0kRPvGBITbw17n5CsmiBS4LQQ==
+copy-webpack-plugin@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-6.3.0.tgz#91820b63bbde7d73609accb86dab7e7386863f6f"
+  integrity sha512-kQ2cGGQLO6Ov2fe7rEGVxObI17dPeFkv8bRGnUAGZehOcrrObyAR9yWYlFGlJsyWM4EeuC/ytQNQkXxjYotMzg==
   dependencies:
     cacache "^15.0.5"
     fast-glob "^3.2.4"
@@ -1694,8 +1704,8 @@ copy-webpack-plugin@^6.1.0:
     loader-utils "^2.0.0"
     normalize-path "^3.0.0"
     p-limit "^3.0.2"
-    schema-utils "^2.7.1"
-    serialize-javascript "^4.0.0"
+    schema-utils "^3.0.0"
+    serialize-javascript "^5.0.1"
     webpack-sources "^1.4.3"
 
 core-util-is@1.0.2, core-util-is@~1.0.0: