diff --git a/package.json b/package.json
index 8e5a2ea..fe5ee85 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "crypto-coin-kit",
-  "version": "0.2.31",
+  "version": "0.2.32",
   "description": "crypto coin kit for common coins",
   "main": "./dist/index.js",
   "scripts": {
diff --git a/src/DOT/index.ts b/src/DOT/index.ts
index 3d8ef1c..d6d24f6 100644
--- a/src/DOT/index.ts
+++ b/src/DOT/index.ts
@@ -210,6 +210,7 @@ export class DOT implements Coin {
           specVersion: new BN(data.specVersion),
           transactionVersion: new BN(data.transactionVersion),
         },
+        tip: data.tip || 0,
       },
     );
     const signedTx = signed.toHex();
diff --git a/src/__tests__/coins/DOT.test.ts b/src/__tests__/coins/DOT.test.ts
index 91e340a..33308f8 100644
--- a/src/__tests__/coins/DOT.test.ts
+++ b/src/__tests__/coins/DOT.test.ts
@@ -94,6 +94,29 @@ describe('coins.DOT', () => {
     expect(reg.test(result.txHex)).toBe(true);
   });
 
+  it('should generate transaction with tip', () => {
+    const keyProviderSync = sr25519KeyProviderSync(privateKey, publicKey);
+    const txData = {
+      value: 100000000000,
+      dest: '5DUmuykcaNu6bVE9R7Ya25oPMw3GkYjYLM2P9b5L1FdoB7kf',
+      blockHash:
+        '0xe143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423e',
+      tip: 9000000000,
+      nonce: 3,
+      implVersion: 0,
+      authoringVersion: 2,
+      specVersion: 41,
+      transactionVersion: 2,
+      metaData: westend,
+      blockNumber: 0,
+    };
+    const result = wnd.generateTransactionSync(txData, keyProviderSync);
+    const reg = new RegExp(
+      '0x4902848cba3d59242abc565c99a47c3afaf23668f2e1b1a76a38ab71868ae2dafca96301([a-f0-9]+)000c07001a71180204003e97c7cee955a5f2ab3f9346ed85bf2c1b16fcc1afae3e40942bbab648a036040700e8764817',
+    );
+    expect(reg.test(result.txHex)).toBe(true);
+  });
+
   it('should generate dot transaction', () => {
     //https://polkascan.io/polkadot/event/1515777-2
     const keyProviderSync = sr25519KeyProviderSync(privateKey, publicKey);