diff --git a/ctru-rs/Cargo.toml b/ctru-rs/Cargo.toml
index da8f37b..e841bf6 100644
--- a/ctru-rs/Cargo.toml
+++ b/ctru-rs/Cargo.toml
@@ -4,7 +4,7 @@ description = "A safe wrapper around smealum's ctrulib."
 license = "https://en.wikipedia.org/wiki/Zlib_License"
 name = "ctru-rs"
 version = "0.7.1"
-edition = "2018"
+edition = "2021"
 
 [lib]
 crate-type = ["rlib"]
diff --git a/ctru-sys/Cargo.toml b/ctru-sys/Cargo.toml
index f5221e1..d025871 100644
--- a/ctru-sys/Cargo.toml
+++ b/ctru-sys/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.4.0"
 authors = ["Ronald Kinard <furyhunter600@gmail.com>"]
 license = "https://en.wikipedia.org/wiki/Zlib_License"
 links = "ctru"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 libc = { version = "0.2", default-features = false }