diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3abe93f6..a18b9e83 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ## Changes
 [#390](https://github.com/sharksforarms/deku/pull/390) added MSRV for `1.67.1`.
+[#389](https://github.com/sharksforarms/deku/pull/389) changed edition to 2021
 [#352](https://github.com/sharksforarms/deku/pull/352) added a new function `from_reader` that uses `io::Read`.
 `io::Read` is also now used internally, bringing massive performance and usability improvements.
 
diff --git a/Cargo.toml b/Cargo.toml
index 6170c72c..21c42b18 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 authors = ["sharks <sharks@sharks>"]
-edition = "2018"
+edition = "2021"
 name = "deku"
 version = "0.16.0"
 license = "MIT OR Apache-2.0"