diff --git a/packages/sdk/src/browser-wallets/unisat/index.ts b/packages/sdk/src/browser-wallets/unisat/index.ts
index 7044e662..86c35af1 100644
--- a/packages/sdk/src/browser-wallets/unisat/index.ts
+++ b/packages/sdk/src/browser-wallets/unisat/index.ts
@@ -1,3 +1,4 @@
-export * from "./addresses";
-export * from "./signatures";
-export * from "./utils";
+export * from "./addresses"
+export * from "./signatures"
+export * from "./types"
+export * from "./utils"
diff --git a/packages/sdk/src/browser-wallets/unisat/signatures.ts b/packages/sdk/src/browser-wallets/unisat/signatures.ts
index 16d86d11..88634ea6 100644
--- a/packages/sdk/src/browser-wallets/unisat/signatures.ts
+++ b/packages/sdk/src/browser-wallets/unisat/signatures.ts
@@ -2,14 +2,14 @@ import { Psbt } from "bitcoinjs-lib";
 
 import { isUnisatInstalled } from "./utils";
 
-export async function signPsbt(psbt: Psbt) {
+export async function signPsbt(psbt: Psbt, { finalize = true }: UnisatSignPSBTOptions = {}) {
   if (!isUnisatInstalled()) {
     throw new Error("Unisat not installed.");
   }
 
   const psbtHex = psbt.toHex();
 
-  const signedPsbtHex = await window.unisat.signPsbt(psbtHex);
+  const signedPsbtHex = await window.unisat.signPsbt(psbtHex, { autoFinalized: finalize })
 
   if (!signedPsbtHex) {
     throw new Error("Failed to sign psbt hex using Unisat.");
diff --git a/packages/sdk/src/browser-wallets/unisat/types.ts b/packages/sdk/src/browser-wallets/unisat/types.ts
new file mode 100644
index 00000000..75e82759
--- /dev/null
+++ b/packages/sdk/src/browser-wallets/unisat/types.ts
@@ -0,0 +1,3 @@
+export interface UnisatSignPSBTOptions {
+  finalize?: boolean
+}
diff --git a/packages/sdk/src/types.d.ts b/packages/sdk/src/types.d.ts
index ff658f32..d55f8a8b 100644
--- a/packages/sdk/src/types.d.ts
+++ b/packages/sdk/src/types.d.ts
@@ -1,19 +1,19 @@
 declare interface Window {
-  unisat: Unisat;
-  satsConnect: any;
-  ethereum: MetaMask;
+  unisat: Unisat
+  satsConnect: any
+  ethereum: MetaMask
 }
 
 type Unisat = {
-  getNetwork: () => Promise<UnisatNetwork>;
-  switchNetwork: (targetNetwork: UnisatNetwork) => Promise<void>;
-  requestAccounts: () => Promise<string[]>;
-  getPublicKey: () => Promise<string>;
-  signPsbt: (hex: string) => Promise<string>;
-  signMessage: (message: string) => Promise<string>;
-};
+  getNetwork: () => Promise<UnisatNetwork>
+  switchNetwork: (targetNetwork: UnisatNetwork) => Promise<void>
+  requestAccounts: () => Promise<string[]>
+  getPublicKey: () => Promise<string>
+  signPsbt: (hex: string, { autoFinalized }: Record<string, boolean>) => Promise<string>
+  signMessage: (message: string) => Promise<string>
+}
 
 type MetaMask = {
-  isMetaMask: boolean;
-  request: (options: { method: string; params?: any }) => Promise<any>;
-};
+  isMetaMask: boolean
+  request: (options: { method: string; params?: any }) => Promise<any>
+}