diff --git a/Cargo.toml b/Cargo.toml
index 81b2198..9609600 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "aoc2025"
-edition = "2021"
+edition = "2024"
 version = "0.1.0"
 
 [dependencies]