diff --git a/Cargo.toml b/Cargo.toml
index 71aa7d9..462299d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "sup"
 version = "0.1.0"
 authors = ["rascul <rascul3@gmail.com>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 chrono = "0.4"