diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78dd8c49..14273294 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ and this project adheres to
 
 ### Added
 
+- @cosmjs/cosmwasm-stargate: Add `broadcastTimeoutMs` and
+  `broadcastPollIntervalMs` options added to `SigningCosmWasmClientOptions`.
 - @cosmjs/proto-signing: Add `serialize` and `serializeWithEncryptionKey`
   methods to `DirectSecp256k1HdWallet`. Also add `deserialize` and
   `deserializeWithEncryptionKey` static methods.
@@ -15,6 +17,8 @@ and this project adheres to
   helper functions and `KdfConfiguration` type.
 - @cosmjs/proto-signing: Export `makeCosmoshubPath` helper.
 - @cosmjs/stargate: Export `makeCosmoshubPath` helper.
+- @cosmjs/stargate: Add `broadcastTimeoutMs` and `broadcastPollIntervalMs`
+  options added to `SigningStargateClientOptions`.
 
 ## [0.25.1] - 2021-05-06
 
diff --git a/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
index e1025909..0cd4e3c2 100644
--- a/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
+++ b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
@@ -136,11 +136,15 @@ export interface SigningCosmWasmClientOptions {
   readonly prefix?: string;
   readonly gasPrice?: GasPrice;
   readonly gasLimits?: Partial<GasLimits<CosmWasmFeeTable>>;
+  readonly broadcastTimeoutMs?: number;
+  readonly broadcastPollIntervalMs?: number;
 }
 
 export class SigningCosmWasmClient extends CosmWasmClient {
   public readonly fees: CosmWasmFeeTable;
   public readonly registry: Registry;
+  public readonly broadcastTimeoutMs: number | undefined;
+  public readonly broadcastPollIntervalMs: number | undefined;
 
   private readonly signer: OfflineSigner;
   private readonly aminoTypes: AminoTypes;
@@ -186,6 +190,8 @@ export class SigningCosmWasmClient extends CosmWasmClient {
     this.registry = registry;
     this.aminoTypes = aminoTypes;
     this.signer = signer;
+    this.broadcastTimeoutMs = options.broadcastTimeoutMs;
+    this.broadcastPollIntervalMs = options.broadcastPollIntervalMs;
   }
 
   /** Uploads code and returns a receipt, including the code ID */
@@ -430,7 +436,7 @@ export class SigningCosmWasmClient extends CosmWasmClient {
   ): Promise<BroadcastTxResponse> {
     const txRaw = await this.sign(signerAddress, messages, fee, memo);
     const txBytes = TxRaw.encode(txRaw).finish();
-    return this.broadcastTx(txBytes);
+    return this.broadcastTx(txBytes, this.broadcastTimeoutMs, this.broadcastPollIntervalMs);
   }
 
   public async sign(
diff --git a/packages/stargate/src/signingstargateclient.ts b/packages/stargate/src/signingstargateclient.ts
index 452cd065..02b80ce6 100644
--- a/packages/stargate/src/signingstargateclient.ts
+++ b/packages/stargate/src/signingstargateclient.ts
@@ -151,11 +151,15 @@ export interface SigningStargateClientOptions {
   readonly prefix?: string;
   readonly gasPrice?: GasPrice;
   readonly gasLimits?: Partial<GasLimits<CosmosFeeTable>>;
+  readonly broadcastTimeoutMs?: number;
+  readonly broadcastPollIntervalMs?: number;
 }
 
 export class SigningStargateClient extends StargateClient {
   public readonly fees: CosmosFeeTable;
   public readonly registry: Registry;
+  public readonly broadcastTimeoutMs: number | undefined;
+  public readonly broadcastPollIntervalMs: number | undefined;
 
   private readonly signer: OfflineSigner;
   private readonly aminoTypes: AminoTypes;
@@ -201,6 +205,8 @@ export class SigningStargateClient extends StargateClient {
     this.registry = registry;
     this.aminoTypes = aminoTypes;
     this.signer = signer;
+    this.broadcastTimeoutMs = options.broadcastTimeoutMs;
+    this.broadcastPollIntervalMs = options.broadcastPollIntervalMs;
   }
 
   public async sendTokens(
@@ -306,7 +312,7 @@ export class SigningStargateClient extends StargateClient {
   ): Promise<BroadcastTxResponse> {
     const txRaw = await this.sign(signerAddress, messages, fee, memo);
     const txBytes = TxRaw.encode(txRaw).finish();
-    return this.broadcastTx(txBytes);
+    return this.broadcastTx(txBytes, this.broadcastTimeoutMs, this.broadcastPollIntervalMs);
   }
 
   /**