diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba8d3dd5..bbd4a989 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,10 +10,13 @@
 ### Removed
 
 ### Fixed
-- `gc::mark_slice` was skipping the last element of the slice.
 
 ### Security
 
+## [0.4.3] - 2022-12-07
+### Fixed
+- `gc::mark_slice` was skipping the last element of the slice.
+
 ## [0.4.2] - 2022-11-30
 ### Fixed
 - Removed errant `dbg!()`.
@@ -208,7 +211,8 @@
 - Pre-built bindings for Ruby 2.6 - 3.1 on common platforms, build-time
   generated bindings otherwise.
 
-[Unreleased]: https://github.com/matsadler/magnus/compare/0.4.2...HEAD
+[Unreleased]: https://github.com/matsadler/magnus/compare/0.4.3...HEAD
+[0.4.3]: https://github.com/matsadler/magnus/compare/0.4.2...0.4.3
 [0.4.2]: https://github.com/matsadler/magnus/compare/0.4.1...0.4.2
 [0.4.1]: https://github.com/matsadler/magnus/compare/0.4.0...0.4.1
 [0.4.0]: https://github.com/matsadler/magnus/compare/0.3.2...0.4.0
diff --git a/Cargo.lock b/Cargo.lock
index 8895da39..fa440baa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -98,7 +98,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "magnus",
  "magnus-macros",
diff --git a/Cargo.toml b/Cargo.toml
index e66028c6..cf7c3642 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "magnus"
-version = "0.4.2"
+version = "0.4.3"
 authors = ["Mat Sadler <mat@sourcetagsandcodes.com>"]
 edition = "2018"
 resolver = "2"
diff --git a/examples/custom_exception_ruby/ext/ahriman/Cargo.lock b/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
index b0dde4e4..60abd118 100644
--- a/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
+++ b/examples/custom_exception_ruby/ext/ahriman/Cargo.lock
@@ -105,7 +105,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "magnus-macros",
  "rb-sys",
diff --git a/examples/custom_exception_rust/ext/ahriman/Cargo.lock b/examples/custom_exception_rust/ext/ahriman/Cargo.lock
index b0dde4e4..60abd118 100644
--- a/examples/custom_exception_rust/ext/ahriman/Cargo.lock
+++ b/examples/custom_exception_rust/ext/ahriman/Cargo.lock
@@ -105,7 +105,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "magnus-macros",
  "rb-sys",
diff --git a/examples/rust_blank/ext/rust_blank/Cargo.lock b/examples/rust_blank/ext/rust_blank/Cargo.lock
index 15cc5cb0..d3a9e560 100644
--- a/examples/rust_blank/ext/rust_blank/Cargo.lock
+++ b/examples/rust_blank/ext/rust_blank/Cargo.lock
@@ -98,7 +98,7 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.4.2"
+version = "0.4.3"
 dependencies = [
  "magnus-macros",
  "rb-sys",