diff --git a/packages/webpack5/package.json b/packages/webpack5/package.json
index 1ebe767ec..1525e78e0 100644
--- a/packages/webpack5/package.json
+++ b/packages/webpack5/package.json
@@ -27,6 +27,7 @@
 	},
 	"devDependencies": {
 		"@types/jest": "^26.0.15",
+		"@types/terser-webpack-plugin": "^5.0.2",
 		"jest": "^26.6.3",
 		"ts-jest": "^26.4.4",
 		"typescript": "^4.0.5"