diff --git a/src/Minter/SDK/MinterCoins/MinterCoinTx.php b/src/Minter/SDK/MinterCoins/MinterCoinTx.php
index e8b6575..8884a75 100644
--- a/src/Minter/SDK/MinterCoins/MinterCoinTx.php
+++ b/src/Minter/SDK/MinterCoins/MinterCoinTx.php
@@ -49,6 +49,7 @@ abstract class MinterCoinTx implements MinterTxInterface
         MinterMoveStakeTx::TYPE               => MinterMoveStakeTx::class,
         MinterLockStakeTx::TYPE               => MinterLockStakeTx::class,
         MinterLockTx::TYPE                    => MinterLockTx::class,
+        MinterVoteUpdateTx::TYPE              => MinterVoteUpdateTx::class,
     ];
 
     /**
diff --git a/src/Minter/SDK/MinterCoins/MinterVoteUpdateTx.php b/src/Minter/SDK/MinterCoins/MinterVoteUpdateTx.php
new file mode 100644
index 0000000..0709ea2
--- /dev/null
+++ b/src/Minter/SDK/MinterCoins/MinterVoteUpdateTx.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Minter\SDK\MinterCoins;
+
+use Minter\Contracts\MinterTxInterface;
+use Minter\Library\Helper;
+use Minter\SDK\MinterPrefix;
+
+/**
+ * Class MinterVoteUpdateTx
+ * @package Minter\SDK\MinterCoins
+ */
+class MinterVoteUpdateTx extends MinterCoinTx implements MinterTxInterface
+{
+    public $publicKey;
+    public $version;
+    public $height;
+
+    const TYPE = 33;
+
+    /**
+     * @param $version
+     * @param $publicKey
+     * @param $height
+     */
+    public function __construct($version, $publicKey, $height)
+    {
+        $this->publicKey = $publicKey;
+        $this->version   = $version;
+        $this->height    = $height;
+    }
+
+    /**
+     * Prepare data for signing
+     *
+     * @return array
+     */
+    public function encodeData(): array
+    {
+        return [
+            $this->version,
+            hex2bin(Helper::removePrefix($this->publicKey, MinterPrefix::PUBLIC_KEY)),
+            $this->height
+        ];
+    }
+
+    public function decodeData()
+    {
+        $this->publicKey = MinterPrefix::PUBLIC_KEY . $this->publicKey;
+        $this->height    = hexdec($this->height);
+        $this->version   = Helper::hex2str($this->version);
+    }
+}
\ No newline at end of file
diff --git a/src/Minter/SDK/MinterTx.php b/src/Minter/SDK/MinterTx.php
index 67f8619..bba0776 100644
--- a/src/Minter/SDK/MinterTx.php
+++ b/src/Minter/SDK/MinterTx.php
@@ -37,6 +37,7 @@
 use Minter\SDK\MinterCoins\MinterSetCandidateOnTx;
 use Minter\SDK\MinterCoins\MinterSetHaltBlockTx;
 use Minter\SDK\MinterCoins\MinterUnbondTx;
+use Minter\SDK\MinterCoins\MinterVoteUpdateTx;
 use Web3p\RLP\RLP;;
 use Minter\Library\Helper;
 use Minter\SDK\MinterCoins\MinterCoinTx;
@@ -375,7 +376,7 @@ public function getSignatureData(): MinterSignature
     }
 
     /**
-     * @return MinterSendCoinTx|MinterBuyCoinTx|MinterSellCoinTx|MinterSellAllCoinTx|MinterDelegateTx|MinterUnbondTx|MinterMultiSendTx|MinterCreateMultisigTx|MinterCreateCoinTx|MinterRecreateCoinTx|MinterEditCoinOwnerTx|MinterDeclareCandidacyTx|MinterSetCandidateOnTx|MinterSetCandidateOffTx|MinterEditCandidateTx|MinterRedeemCheckTx|MinterSetHaltBlockTx|MinterSellSwapPoolTx|MinterSellAllSwapPoolTx|MinterBuySwapPoolTx|MinterPriceCommissionTx|MinterCreateTokenTx|MinterRecreateTokenTx|MinterCreateSwapPoolTx|MinterBurnTokenTx|MinterMintTokenTx|MinterAddLiquidityTx|MinterRemoveLiquidityTx|MinterAddLimitOrderTx|MinterRemoveLimitOrderTx|MinterLockTx|MinterLockStakeTx|MinterMoveStakeTx
+     * @return MinterSendCoinTx|MinterBuyCoinTx|MinterSellCoinTx|MinterSellAllCoinTx|MinterDelegateTx|MinterUnbondTx|MinterMultiSendTx|MinterCreateMultisigTx|MinterCreateCoinTx|MinterRecreateCoinTx|MinterEditCoinOwnerTx|MinterDeclareCandidacyTx|MinterSetCandidateOnTx|MinterSetCandidateOffTx|MinterEditCandidateTx|MinterRedeemCheckTx|MinterSetHaltBlockTx|MinterSellSwapPoolTx|MinterSellAllSwapPoolTx|MinterBuySwapPoolTx|MinterPriceCommissionTx|MinterCreateTokenTx|MinterRecreateTokenTx|MinterCreateSwapPoolTx|MinterBurnTokenTx|MinterMintTokenTx|MinterAddLiquidityTx|MinterRemoveLiquidityTx|MinterAddLimitOrderTx|MinterRemoveLimitOrderTx|MinterLockTx|MinterLockStakeTx|MinterMoveStakeTx|MinterVoteUpdateTx
      */
     public function getData(): MinterTxInterface
     {
diff --git a/tests/MinterVoteUpdateTxTest.php b/tests/MinterVoteUpdateTxTest.php
new file mode 100644
index 0000000..b2b169a
--- /dev/null
+++ b/tests/MinterVoteUpdateTxTest.php
@@ -0,0 +1,68 @@
+<?php
+declare(strict_types=1);
+
+use Minter\SDK\MinterCoins\MinterVoteUpdateTx;
+use Minter\SDK\MinterTx;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Class for testing MinterVoteUpdateTxTest
+ */
+final class MinterVoteUpdateTxTest extends TestCase
+{
+    /**
+     * Predefined private key
+     */
+    const PRIVATE_KEY = '0x9f444c46ea729be713ac1c5bc3390e2dca61ca288c59356fce44165aaae9184a';
+
+    /**
+     * Predefined minter address
+     */
+    const MINTER_ADDRESS = 'Mx522ce8622d7cb5cac0a03fd7e4b76a8586813cd9';
+
+    /**
+     * Predefined valid signature
+     */
+    const VALID_SIGNATURE = '0xf87c0102018021aceb8474657374a0d83e627510eea6aefa46d9914b0715dabf4a561ced78d34267b31d41d5f700b58405f5e0ff808001b845f8431ca0031ea17f1af0cc678f978db4dc5b0419b09d40ef99a480cb8aba7688fcf1083da003632fd34b944ad0b630124df95d26ea5a6c2a4d1890942a670390d3f1811da0';
+
+    /**
+     * Test to decode data for MinterVoteUpdateTx
+     */
+    public function testDecode(): void
+    {
+        $tx      = MinterTx::decode(self::VALID_SIGNATURE);
+        $validTx = $this->makeTransaction();
+
+        $this->assertSame($validTx->getNonce(), $tx->getNonce());
+        $this->assertSame($validTx->getGasCoin(), $tx->getGasCoin());
+        $this->assertSame($validTx->getGasPrice(), $tx->getGasPrice());
+        $this->assertSame($validTx->getChainID(), $tx->getChainID());
+        $this->assertSame($validTx->getData()->publicKey, $tx->getData()->publicKey);
+        $this->assertSame($validTx->getData()->version, $tx->getData()->version);
+        $this->assertSame($validTx->getData()->height, $tx->getData()->height);
+        $this->assertSame(self::MINTER_ADDRESS, $tx->getSenderAddress());
+    }
+
+    /**
+     * Test signing MinterUnbondTx
+     */
+    public function testSign(): void
+    {
+        $signature = $this->makeTransaction()->sign(self::PRIVATE_KEY);
+        $this->assertSame($signature, self::VALID_SIGNATURE);
+    }
+
+    /**
+     * @return MinterTx
+     */
+    private function makeTransaction(): MinterTx
+    {
+        $data = new MinterVoteUpdateTx(
+            'test',
+            'Mpd83e627510eea6aefa46d9914b0715dabf4a561ced78d34267b31d41d5f700b5',
+            99999999, '100'
+        );
+
+        return (new MinterTx(1, $data))->setTestnetChainId();
+    }
+}