diff --git a/index.d.ts b/index.d.ts
index ac3debe..be504d4 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -2,7 +2,7 @@
 
 declare namespace jest {
   interface Matchers<R> {
-    toMatchJSON(expected: Record<string, unknown>): R;
+    toMatchJSON(expected: any): R;
   }
 
   interface Expect {