diff --git a/src/templates/Cargo.toml.j2 b/src/templates/Cargo.toml.j2
index 4915dd82d..2d1edd0cb 100644
--- a/src/templates/Cargo.toml.j2
+++ b/src/templates/Cargo.toml.j2
@@ -1,7 +1,7 @@
 [package]
 name = "{{ name }}"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html