diff --git a/index.d.ts b/index.d.ts
index 3ef7eaa..278967c 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,3 +1,5 @@
+import {PicomatchOptions} from "picomatch";
+
 type AnymatchFn = (testString: string) => boolean;
 type AnymatchPattern = string|RegExp|AnymatchFn;
 type AnymatchMatcher = AnymatchPattern|AnymatchPattern[]
@@ -5,13 +7,14 @@ type AnymatchTester = {
   (testString: string|any[], returnIndex: true): number;
   (testString: string|any[]): boolean;
 }
-
-type PicomatchOptions = {dot: boolean};
+type AnymatchOptions = {returnIndex?: boolean} & PicomatchOptions
 
 declare const anymatch: {
   (matchers: AnymatchMatcher): AnymatchTester;
-  (matchers: AnymatchMatcher, testString: null, returnIndex: true | PicomatchOptions): AnymatchTester;
-  (matchers: AnymatchMatcher, testString: string|any[], returnIndex: true | PicomatchOptions): number;
+  (matchers: AnymatchMatcher, testString: null, returnIndex: true | AnymatchOptions): AnymatchTester;
+  (matchers: AnymatchMatcher, testString: string|any[], returnIndex: true): number;
+  (matchers: AnymatchMatcher, testString: string|any[], options: {returnIndex: true} & PicomatchOptions): number;
+  (matchers: AnymatchMatcher, testString: string|any[], options: {returnIndex?: false} & PicomatchOptions): boolean;
   (matchers: AnymatchMatcher, testString: string|any[]): boolean;
 }
 
diff --git a/package.json b/package.json
index f9b5284..fa229c2 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "index.d.ts"
   ],
   "dependencies": {
+    "@types/picomatch": "^2.3.0",
     "normalize-path": "^3.0.0",
     "picomatch": "^2.0.4"
   },