diff --git a/docs/pages/sdk/getting-started/tutorial.mdx b/docs/pages/sdk/getting-started/tutorial.mdx
index 7c9bdcf..d45ca67 100644
--- a/docs/pages/sdk/getting-started/tutorial.mdx
+++ b/docs/pages/sdk/getting-started/tutorial.mdx
@@ -77,6 +77,7 @@ Add the following code to create the ECDSA validator:
 
 ```typescript
 import { signerToEcdsaValidator } from "@zerodev/ecdsa-validator"
+import {KERNEL_V3_1} from "@zerodev/sdk/constants";
 
 const main = async () => {
   // other code...
@@ -84,6 +85,7 @@ const main = async () => {
   const ecdsaValidator = await signerToEcdsaValidator(publicClient, { // [!code focus]
     signer,  // [!code focus]
     entryPoint,  // [!code focus]
+    kernelVersion: KERNEL_V3_1, // [!code focus]
   })  // [!code focus]
 }
 ```
@@ -227,4 +229,4 @@ In this tutorial, we were able to mint an NFT without paying gas, thanks to gas
 For next steps:
 
 - Check out [the core API](/sdk/core-api/create-account) to learn more about the SDK
-- Read some [code examples](https://github.com/zerodevapp/zerodev-examples) of using ZeroDev
\ No newline at end of file
+- Read some [code examples](https://github.com/zerodevapp/zerodev-examples) of using ZeroDev