diff --git a/util/tsconfig.json b/util/tsconfig.json
index 7fbe3bac..cbd5db32 100644
--- a/util/tsconfig.json
+++ b/util/tsconfig.json
@@ -4,10 +4,10 @@
/* Visit https://aka.ms/tsconfig.json to read more about this file */
/* Basic Options */
- // "incremental": true, /* Enable incremental compilation */
+ "incremental": true, /* Enable incremental compilation */
"target": "ES6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
"module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
- "lib": ["ES2020"] /* Specify library files to be included in the compilation. */,
+ "lib": ["ES2021"] /* Specify library files to be included in the compilation. */,
"allowJs": true /* Allow javascript files to be compiled. */,
"checkJs": true /* Report errors in .js files. */,
// "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
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