diff --git a/packages/@vuepress/shared/package.json b/packages/@vuepress/shared/package.json
index 2855180810..121e5c4c83 100644
--- a/packages/@vuepress/shared/package.json
+++ b/packages/@vuepress/shared/package.json
@@ -55,6 +55,7 @@
     ],
     "outDir": "dist",
     "sourcemap": false,
+    "target": "es2020",
     "tsconfig": "tsconfig.dts.json"
   }
 }