diff --git a/package.json b/package.json
index 1cb0312..2c64a2f 100644
--- a/package.json
+++ b/package.json
@@ -67,14 +67,14 @@
     "sppurge": "^3.0.1",
     "spsave": "^4.0.2",
     "style-loader": "^1.2.1",
-    "terser-webpack-plugin": "^4.2.2",
+    "terser-webpack-plugin": "^5.1.4",
     "through2": "^4.0.2",
     "ts-loader": "^8.0.14",
     "tsconfig-paths-webpack-plugin": "^3.3.0",
     "tslint": "^6.1.3",
     "typescript": "^4.1.3",
     "uglify-js": "^3.12.5",
-    "webpack": "^4.46.0",
+    "webpack": "^5.1.1",
     "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.11.2",
     "whatwg-fetch": "^3.5.0"