diff --git a/package.json b/package.json
index a5822de..7564fdb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lambda-feedback-segp-sandbox/ef-test-server",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "main": "dist/index.js",
   "scripts": {
     "build": "yarn tsc",
diff --git a/src/schema.ts b/src/schema.ts
index b4234a7..eaf1126 100644
--- a/src/schema.ts
+++ b/src/schema.ts
@@ -2,8 +2,12 @@ import { z } from 'zod'
 
 export const EvaluationFunctionRequestData = z
   .object({
-    answer: z.string(),
-    response: z.string(),
+    answer: z.union([z.string(), z.array(z.any()), z.object({}).passthrough()]),
+    response: z.union([
+      z.string(),
+      z.array(z.any()),
+      z.object({}).passthrough(),
+    ]),
     params: z.record(z.string(), z.any()),
   })
   .strict()