diff --git a/Cargo.toml b/Cargo.toml
index e2d5642..e503bd8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "tada"
 version = "0.0.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 nom = "7.0.0"