diff --git a/next.config.ts b/next.config.mjs
similarity index 97%
rename from next.config.ts
rename to next.config.mjs
index 246824ec..f838bdf4 100644
--- a/next.config.ts
+++ b/next.config.mjs
@@ -1,5 +1,3 @@
-import type { NextConfig } from "next"
-
 const isDev = process.argv.indexOf("dev") !== -1
 const isBuild = process.argv.indexOf("build") !== -1
 if (!process.env.VELITE_STARTED && (isDev || isBuild)) {
@@ -8,6 +6,7 @@ if (!process.env.VELITE_STARTED && (isDev || isBuild)) {
   await build({ watch: isDev, clean: !isDev })
 }
 
+/** @type {import("next").NextConfig} */
 export default {
   devIndicators: {
     buildActivity: false,
@@ -106,4 +105,4 @@ export default {
       },
     ]
   },
-} satisfies NextConfig
+}
diff --git a/tsconfig.json b/tsconfig.json
index ece6c98b..d46a3a1a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -28,7 +28,7 @@
       "#site/content": ["./.velite"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts", "next.config.mjs"],
   "exclude": [
     "node_modules",