diff --git a/package.json b/package.json
index a0902d3..4dbe54e 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
 		"types"
 	],
 	"devDependencies": {
-		"@sindresorhus/tsconfig": "^3.0.1",
+		"@sindresorhus/tsconfig": "^4.0.0",
 		"@types/jsdom": "^21.1.1",
 		"@types/node": "^20.2.5",
 		"@types/zen-observable": "^0.8.3",
diff --git a/tsconfig.json b/tsconfig.json
index 5275116..b0821de 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,13 +1,7 @@
 {
 	"extends": "@sindresorhus/tsconfig",
 	"compilerOptions": {
-		"lib": [
-			"DOM",
-			"DOM.Iterable",
-			"ES2021"
-		],
 		"outDir": "dist",
-		"target": "ES2021"
 	},
 	"include": [
 		"source"