diff --git a/package.json b/package.json
index e0eff5c7..df1c6bd7 100644
--- a/package.json
+++ b/package.json
@@ -79,9 +79,9 @@
     "autoprefixer": "10.2.5",
     "babel-loader": "8.2.2",
     "case-sensitive-paths-webpack-plugin": "2.4.0",
-    "copy-webpack-plugin": "8.1.1",
+    "copy-webpack-plugin": "9.0.1",
     "css-loader": "5.2.4",
-    "css-minimizer-webpack-plugin": "2.0.0",
+    "css-minimizer-webpack-plugin": "3.0.2",
     "eventsource-polyfill": "0.9.6",
     "file-loader": "6.2.0",
     "html-webpack-plugin": "5.3.1",
@@ -91,7 +91,7 @@
     "postcss": "8.2.13",
     "postcss-loader": "5.2.0",
     "style-loader": "2.0.0",
-    "terser-webpack-plugin": "5.1.1",
+    "terser-webpack-plugin": "5.1.4",
     "url-loader": "4.1.1",
     "webpack-dev-middleware": "4.1.0",
     "webpack-dev-server": "3.11.2",