diff --git a/packages/tools/tsconfig.json b/packages/tools/tsconfig.json
index df23b4c..10fc0c0 100644
--- a/packages/tools/tsconfig.json
+++ b/packages/tools/tsconfig.json
@@ -2,5 +2,5 @@
   "extends": "tsconfig/common.json",
   "include": ["**/*.ts", "**/*.tsx", "**/*.js", "**/*.jsx"],
   "exclude": ["dist", "build", "node_modules"],
-  "compilerOptions": { "outDir": "./build" }
+  "compilerOptions": { "outDir": "./build", "lib": ["DOM", "ES2020"] }
 }