diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
index 94447b9403393b..a955831ff1532f 100644
--- a/packages/vite/src/node/optimizer/index.ts
+++ b/packages/vite/src/node/optimizer/index.ts
@@ -33,6 +33,8 @@ export {
   getDepsOptimizer
 } from './optimizer'
 
+export type { default as picomatch } from 'picomatch'
+
 export const debuggerViteDeps = createDebugger('vite:deps')
 const debug = debuggerViteDeps
 const isDebugEnabled = _debug('vite:deps').enabled