diff --git a/packages/schema-typescript/__tests__/__snapshots__/additional-props.test.ts.snap b/packages/schema-typescript/__tests__/__snapshots__/additional-props.test.ts.snap
index 01ee29c..bdba402 100644
--- a/packages/schema-typescript/__tests__/__snapshots__/additional-props.test.ts.snap
+++ b/packages/schema-typescript/__tests__/__snapshots__/additional-props.test.ts.snap
@@ -5,7 +5,7 @@ exports[`additional 1`] = `
   firstName: string;
   lastName: string;
   age?: number;
-  [key: string]: string;
+  [key: string]: any;
 }"
 `;
 
diff --git a/packages/schema-typescript/__tests__/__snapshots__/const.test.ts.snap b/packages/schema-typescript/__tests__/__snapshots__/const.test.ts.snap
index 2ba7b0b..3bf1d12 100644
--- a/packages/schema-typescript/__tests__/__snapshots__/const.test.ts.snap
+++ b/packages/schema-typescript/__tests__/__snapshots__/const.test.ts.snap
@@ -4,6 +4,6 @@ exports[`const 1`] = `
 "export interface Person {
   firstName: "Dan";
   age: number;
-  [key: string]: string;
+  [key: string]: any;
 }"
 `;