diff --git a/docs/src/test-api/class-testconfig.md b/docs/src/test-api/class-testconfig.md
index d95760fd68..e8ae1ab6fd 100644
--- a/docs/src/test-api/class-testconfig.md
+++ b/docs/src/test-api/class-testconfig.md
@@ -484,7 +484,7 @@ export default defineConfig({
 
 ## property: TestConfig.shardingMode
 
-* since: v1.46
+* since: v1.48
 - type: ?<[ShardingMode]<"partition"|"round-robin"|"duration-round-robin">>
 
 Defines the algorithm to be used for sharding. Defaults to `'partition'`.
diff --git a/packages/playwright/src/common/config.ts b/packages/playwright/src/common/config.ts
index 3b950cd25e..f0b399343a 100644
--- a/packages/playwright/src/common/config.ts
+++ b/packages/playwright/src/common/config.ts
@@ -17,7 +17,7 @@
 import fs from 'fs';
 import path from 'path';
 import os from 'os';
-import type { Config, Fixtures, PlaywrightTestConfig, Project, ReporterDescription } from '../../types/test';
+import type { Config, Fixtures, ShardingMode, Project, ReporterDescription } from '../../types/test';
 import type { Location } from '../../types/testReporter';
 import type { TestRunnerPluginRegistration } from '../plugins';
 import { getPackageJsonPath, mergeObjects } from '../util';
@@ -56,7 +56,7 @@ export class FullConfigInternal {
   cliFailOnFlakyTests?: boolean;
   testIdMatcher?: Matcher;
   defineConfigWasUsed = false;
-  shardingMode: Exclude<PlaywrightTestConfig['shardingMode'], undefined>;
+  shardingMode: ShardingMode;
   lastRunFile: string | undefined;
   lastRunInfo?: LastRunInfo;
 
diff --git a/packages/playwright/types/test.d.ts b/packages/playwright/types/test.d.ts
index 08afa129f2..999cdc1f2d 100644
--- a/packages/playwright/types/test.d.ts
+++ b/packages/playwright/types/test.d.ts
@@ -1439,7 +1439,7 @@ interface TestConfig<TestArgs = {}, WorkerArgs = {}> {
    *
    * Learn more about [sharding](https://playwright.dev/docs/test-sharding) with Playwright Test.
    */
-  shardingMode?: ShardingMode;
+  shardingMode?: "partition"|"round-robin"|"duration-round-robin";
 
   /**
    * **NOTE** Use
@@ -5118,8 +5118,7 @@ export interface PlaywrightWorkerOptions {
   video: VideoMode | /** deprecated */ 'retry-with-video' | { mode: VideoMode, size?: ViewportSize };
 }
 
-export type ShardingMode = "partition" | "round-robin" | "duration-round-robin";
-
+export type ShardingMode = Exclude<PlaywrightTestConfig['shardingMode'], undefined>;
 export type ScreenshotMode = 'off' | 'on' | 'only-on-failure';
 export type TraceMode = 'off' | 'on' | 'retain-on-failure' | 'on-first-retry' | 'on-all-retries' | 'retain-on-first-failure';
 export type VideoMode = 'off' | 'on' | 'retain-on-failure' | 'on-first-retry';
diff --git a/utils/generate_types/overrides-test.d.ts b/utils/generate_types/overrides-test.d.ts
index 90ef7fa75a..289e4562cb 100644
--- a/utils/generate_types/overrides-test.d.ts
+++ b/utils/generate_types/overrides-test.d.ts
@@ -202,6 +202,7 @@ export interface PlaywrightWorkerOptions {
   video: VideoMode | /** deprecated */ 'retry-with-video' | { mode: VideoMode, size?: ViewportSize };
 }
 
+export type ShardingMode = Exclude<PlaywrightTestConfig['shardingMode'], undefined>;
 export type ScreenshotMode = 'off' | 'on' | 'only-on-failure';
 export type TraceMode = 'off' | 'on' | 'retain-on-failure' | 'on-first-retry' | 'on-all-retries' | 'retain-on-first-failure';
 export type VideoMode = 'off' | 'on' | 'retain-on-failure' | 'on-first-retry';