diff --git a/pages/[pageId].tsx b/pages/[pageId].tsx
index b92d68b..b9d573f 100644
--- a/pages/[pageId].tsx
+++ b/pages/[pageId].tsx
@@ -1,10 +1,12 @@
 import * as React from 'react'
+import { GetStaticProps } from 'next'
 import { isDev, domain } from 'lib/config'
 import { getSiteMap } from 'lib/get-site-map'
 import { resolveNotionPage } from 'lib/resolve-notion-page'
+import { PageProps, Params } from 'lib/types'
 import { NotionPage } from 'components'
 
-export const getStaticProps = async (context) => {
+export const getStaticProps: GetStaticProps<PageProps, Params> = async (context) => {
   const rawPageId = context.params.pageId as string
 
   try {