diff --git a/src/client/browserType.ts b/src/client/browserType.ts
index b16ba9d822002..49860a6c74759 100644
--- a/src/client/browserType.ts
+++ b/src/client/browserType.ts
@@ -131,7 +131,7 @@ export class BrowserType extends ChannelOwner<channels.BrowserTypeChannel, chann
     return await this._wrapApiCall(async (channel: channels.BrowserTypeChannel) => {
       const deadline = params.timeout ? monotonicTime() + params.timeout : 0;
       let browser: Browser;
-      const { pipe } = await channel.connect({ wsEndpoint, headers: params.headers, timeout: params.timeout });
+      const { pipe } = await channel.connect({ wsEndpoint, headers: params.headers, slowMo: params.slowMo, timeout: params.timeout });
       const closePipe = () => pipe.close().catch(() => {});
       const connection = new Connection(closePipe);
 
diff --git a/tests/browsertype-connect.spec.ts b/tests/browsertype-connect.spec.ts
index 301bf28f144fb..339ef0f54f5b6 100644
--- a/tests/browsertype-connect.spec.ts
+++ b/tests/browsertype-connect.spec.ts
@@ -149,6 +149,17 @@ test('should send default User-Agent header with connect request', async ({brows
   expect(request.headers['foo']).toBe('bar');
 });
 
+test('should support slowmo option', async ({browserType, startRemoteServer}) => {
+  const remoteServer = await startRemoteServer();
+
+  const browser1 = await browserType.connect(remoteServer.wsEndpoint(), { slowMo: 200 });
+  const start = Date.now();
+  await browser1.newContext();
+  await browser1.close();
+  console.log(Date.now() - start);
+  expect(Date.now() - start).toBeGreaterThan(199);
+});
+
 test('disconnected event should be emitted when browser is closed or server is closed', async ({browserType, startRemoteServer}) => {
   const remoteServer = await startRemoteServer();