diff --git a/package.json b/package.json
index bd60b3b..eda1cfe 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
 	"devDependencies": {
 		"@arethetypeswrong/cli": "^0.15.1",
 		"@ljharb/eslint-config": "^21.1.0",
+		"@ljharb/tsconfig": "^0.1.1",
 		"@types/call-bind": "^1.0.5",
 		"@types/define-properties": "^1.1.5",
 		"@types/es-value-fixtures": "^1.4.4",
diff --git a/tsconfig.json b/tsconfig.json
index 9d73018..d9a6668 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,59 +1,9 @@
 {
-  "compilerOptions": {
-    /* Visit https://aka.ms/tsconfig to read more about this file */
-
-    /* Projects */
-
-    /* Language and Environment */
-    "target": "es2022",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
-    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
-    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
-    "useDefineForClassFields": true,                     /* Emit ECMAScript-standard-compliant class fields. */
-    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
-
-    /* Modules */
-    "module": "commonjs",                                /* Specify what module code is generated. */
-    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
-    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
-    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
-    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
-    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
-    "typeRoots": ["types"],                              /* Specify multiple folders that act like './node_modules/@types'. */
-    "resolveJsonModule": true,                           /* Enable importing .json files. */
-
-    /* JavaScript Support */
-    "allowJs": true,                                     /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
-    "checkJs": true,                                     /* Enable error reporting in type-checked JavaScript files. */
-    "maxNodeModuleJsDepth": 1,                           /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
-
-    /* Emit */
-    "declaration": true,                                 /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
-    "declarationMap": true,                              /* Create sourcemaps for d.ts files. */
-    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
-    "noEmit": true,                                      /* Disable emitting files from a compilation. */
-
-    /* Interop Constraints */
-    "allowSyntheticDefaultImports": true,                /* Allow 'import x from y' when a module doesn't have a default export. */
-    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
-    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
-
-    /* Type Checking */
-    "strict": true,                                      /* Enable all strict type-checking options. */
-    "noImplicitAny": true,                               /* Enable error reporting for expressions and declarations with an implied 'any' type. */
-    "noImplicitThis": true,                              /* Enable error reporting when 'this' is given the type 'any'. */
-    "useUnknownInCatchVariables": true,                  /* Default catch clause variables as 'unknown' instead of 'any'. */
-    "noUnusedLocals": true,                              /* Enable error reporting when local variables aren't read. */
-    "noUnusedParameters": true,                          /* Raise an error when a function parameter isn't read. */
-    "noImplicitReturns": true,                           /* Enable error reporting for codepaths that do not explicitly return in a function. */
-    "noFallthroughCasesInSwitch": true,                  /* Enable error reporting for fallthrough cases in switch statements. */
-    "noUncheckedIndexedAccess": true,                    /* Add 'undefined' to a type when accessed using an index. */
-    "noImplicitOverride": true,                          /* Ensure overriding members in derived classes are marked with an override modifier. */
-    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
-
-    /* Completeness */
-    // "skipLibCheck": true                              /* Skip type checking all .d.ts files. */
-  },
-  "exclude": [
-    "coverage"
-  ]
+	"extends": "@ljharb/tsconfig",
+	"compilerOptions": {
+		"target": "es2021",
+	},
+	"exclude": [
+		"coverage",
+	],
 }