diff --git a/.changeset/chatty-rings-tease.md b/.changeset/chatty-rings-tease.md
new file mode 100644
index 000000000..ebddbf1d4
--- /dev/null
+++ b/.changeset/chatty-rings-tease.md
@@ -0,0 +1,5 @@
+---
+'@web/test-runner-saucelabs': patch
+---
+
+Use correct type for providing SauceLabsCapabilities object in createSauceLabsLauncher
diff --git a/packages/test-runner-saucelabs/src/createSauceLabsLauncher.ts b/packages/test-runner-saucelabs/src/createSauceLabsLauncher.ts
index c564271fa..3559b5bfb 100644
--- a/packages/test-runner-saucelabs/src/createSauceLabsLauncher.ts
+++ b/packages/test-runner-saucelabs/src/createSauceLabsLauncher.ts
@@ -7,7 +7,7 @@ import { SauceLabsLauncherManager } from './SauceLabsLauncherManager.js';
 
 export function createSauceLabsLauncher(
   saucelabsOptions: SauceLabsOptions,
-  saucelabsCapabilities?: WebdriverIO.Capabilities,
+  saucelabsCapabilities?: WebdriverIO.Capabilities['sauce:options'],
   sauceConnectOptions?: SauceConnectOptions,
 ) {
   if (saucelabsOptions == null) {