diff --git a/Cargo.toml b/Cargo.toml
index acb27cd..238a034 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "yts-api"
 version = "0.4.0"
 authors = ["Raphael Nestler <raphael.nestler@gmail.com>"]
 license = "MIT OR Apache-2.0"
-edition = "2018"
+edition = "2021"
 rust-version = "1.65"
 description = "Access the yts.mx API"
 categories = ["api-bindings"]