diff --git a/types/ansi-regex/ansi-regex-tests.ts b/types/ansi-regex/ansi-regex-tests.ts
index a5787902f0..d4217e9608 100644
--- a/types/ansi-regex/ansi-regex-tests.ts
+++ b/types/ansi-regex/ansi-regex-tests.ts
@@ -9,5 +9,8 @@ ansiRegex().test('\u001B[4mcake\u001B[0m'); // $ExpectType boolean
 ansiRegex().test('cake'); // $ExpectType boolean
 // => false
 
+ansiRegex({onlyFirst: true}).test('cake'); // $ExpectType boolean
+// => false
+
 '\u001B[4mcake\u001B[0m'.match(ansiRegex()); // $ExpectType RegExpMatchArray | null
 // => ['\u001B[4m', '\u001B[0m']
diff --git a/types/ansi-regex/index.d.ts b/types/ansi-regex/index.d.ts
index 34890912dc..52979125f7 100644
--- a/types/ansi-regex/index.d.ts
+++ b/types/ansi-regex/index.d.ts
@@ -1,7 +1,16 @@
-// Type definitions for ansi-regex 3.0
+// Type definitions for ansi-regex 4.0
 // Project: https://github.com/chalk/ansi-regex#readme
 // Definitions by: Manish Vachharajani <https://github.com/mvachhar>
+//                 Florian Keller <https://github.com/ffflorian>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-declare function r(): RegExp;
-export = r;
+declare namespace ansiRegex {
+  interface Options {
+    /** Match only the first ANSI escape. */
+    onlyFirst?: boolean;
+  }
+}
+
+declare function ansiRegex(options?: ansiRegex.Options): RegExp;
+
+export = ansiRegex;