diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index acb85a8..fe4aa6f 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "family_budget"
 version = "0.1.0"
-edition = "2024"
+edition = "2021"
 
 [dependencies]
 tokio = { version = "1.48.0", features = ["full"] }