diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf727c87..b5cb1894 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
-## [1.4.2] - 2024-01-26
+## [1.5.1] - 2024-02-08
+### Bug fixes
+- Added `key` param on SimpleAccount and ZeroDev wallets
+
+## [1.5.0] - 2024-01-26
 ### Breaking changes
 - Refactored `estimate` method
 - Added `key` in `estimate` method to include `key` of semi-abstracted nonce (https://eips.ethereum.org/EIPS/eip-4337#semi-abstracted-nonce-support)
diff --git a/package.json b/package.json
index 1b4ec2d4..cafc63bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@etherspot/prime-sdk",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "description": "Etherspot Prime (Account Abstraction) SDK",
   "keywords": [
     "ether",
diff --git a/src/sdk/base/EtherspotWalletAPI.ts b/src/sdk/base/EtherspotWalletAPI.ts
index 7e30c9e2..c75cd7be 100644
--- a/src/sdk/base/EtherspotWalletAPI.ts
+++ b/src/sdk/base/EtherspotWalletAPI.ts
@@ -100,7 +100,6 @@ export class EtherspotWalletAPI extends BaseAccountAPI {
   }
 
   async getNonce(key = 0): Promise<BigNumber> {
-    console.log('checking nonce...');
     if (await this.checkAccountPhantom()) {
       return BigNumber.from(0);
     }
diff --git a/src/sdk/base/SimpleAccountWalletAPI.ts b/src/sdk/base/SimpleAccountWalletAPI.ts
index d1b9dc73..461422c8 100644
--- a/src/sdk/base/SimpleAccountWalletAPI.ts
+++ b/src/sdk/base/SimpleAccountWalletAPI.ts
@@ -84,13 +84,11 @@ export class SimpleAccountAPI extends BaseAccountAPI {
     return this.accountAddress;
   }
 
-  async getNonce(): Promise<BigNumber> {
-    console.log('checking nonce...');
+  async getNonce(key = 0): Promise<BigNumber> {
     if (await this.checkAccountPhantom()) {
       return BigNumber.from(0);
     }
-    const accountContract = await this._getAccountContract();
-    return accountContract.getNonce();
+    return await this.nonceManager.getNonce(await this.getAccountAddress(), key);
   }
 
   /**
diff --git a/src/sdk/base/ZeroDevWalletAPI.ts b/src/sdk/base/ZeroDevWalletAPI.ts
index dda4aa16..43c72bd7 100644
--- a/src/sdk/base/ZeroDevWalletAPI.ts
+++ b/src/sdk/base/ZeroDevWalletAPI.ts
@@ -1,7 +1,6 @@
 import { BigNumber, BigNumberish, Contract, ethers } from 'ethers';
 import {
   EntryPoint__factory,
-  IEntryPoint__factory,
 } from '../contracts';
 import { arrayify, hexConcat } from 'ethers/lib/utils';
 import { BaseApiParams, BaseAccountAPI } from './BaseAccountAPI';
@@ -117,13 +116,11 @@ export class ZeroDevWalletAPI extends BaseAccountAPI {
     return this.accountAddress;
   }
 
-  async getNonce(): Promise<BigNumber> {
-    console.log('checking nonce...');
+  async getNonce(key = 0): Promise<BigNumber> {
     if (await this.checkAccountPhantom()) {
       return BigNumber.from(0);
     }
-    const entryPoint = IEntryPoint__factory.connect(this.entryPointAddress, this.provider);
-    return await entryPoint.getNonce(this.accountAddress, 0);
+    return await this.nonceManager.getNonce(await this.getAccountAddress(), key);
   }
 
   async signUserOpHash(userOpHash: string): Promise<string> {