diff --git a/packages/missionary-app/app/layout.tsx b/packages/missionary-app/app/layout.tsx
new file mode 100644
index 0000000..4ccfc95
--- /dev/null
+++ b/packages/missionary-app/app/layout.tsx
@@ -0,0 +1,9 @@
+const RootLayout = ({ children }: { children: React.ReactNode }) => (
+  <html lang="ko">
+    <body>
+      <main>{children}</main>
+    </body>
+  </html>
+);
+
+export default RootLayout;
