diff --git a/my-money/src/firebase/config.js b/my-money/src/firebase/config.js
index 8d0d93c7..7f45a27c 100644
--- a/my-money/src/firebase/config.js
+++ b/my-money/src/firebase/config.js
@@ -20,6 +20,6 @@ const projectFirestore = firebase.firestore()
 const projectAuth = firebase.auth()
 
 // timestamp
-const timestamp = firebase.firestore.Timestamp
+const timestamp = firebase.firestore.FieldValue.serverTimestamp
 
-export { projectFirestore, projectAuth, timestamp }
\ No newline at end of file
+export { projectFirestore, projectAuth, timestamp }