diff --git a/CHANGELOG.md b/CHANGELOG.md
index 079f7de..45e92c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ As of v1.0.4, version numbers are shared between esplugin and esplugin-ffi.
 ### Changed
 
 - `Error::NoFilename`, `Error::ParsingIncomplete` and `Error::DecodeError` now hold contextual data.
+- Updated to Rust's 2021 edition.
 
 ## [4.1.1] - 2022-09-15
 
diff --git a/Cargo.toml b/Cargo.toml
index cd41543..60be1cf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/Ortham/esplugin.git"
 readme = "README.md"
 categories = ["games", "parsing"]
 license = "GPL-3.0"
-edition = "2018"
+edition = "2021"
 
 [badges]
 coveralls = { repository = "Ortham/esplugin" }
diff --git a/ffi/CHANGELOG.md b/ffi/CHANGELOG.md
index ed016f2..3bc0b7d 100644
--- a/ffi/CHANGELOG.md
+++ b/ffi/CHANGELOG.md
@@ -7,6 +7,7 @@ After v1.0.3, version numbers are shared between esplugin and esplugin-ffi.
 ### Changed
 
 - Updated to esplugin v5.0.0.
+- Updated to Rust's 2021 edition.
 
 ### Removed
 
diff --git a/ffi/Cargo.toml b/ffi/Cargo.toml
index fb71ba8..f2666b1 100644
--- a/ffi/Cargo.toml
+++ b/ffi/Cargo.toml
@@ -8,7 +8,7 @@ repository = "https://github.com/Ortham/esplugin.git"
 readme = "../README.md"
 categories = ["games", "parsing"]
 license = "GPL-3.0"
-edition = "2018"
+edition = "2021"
 exclude = [
     "build/*",
     "include/*",