diff --git a/Cargo.lock b/Cargo.lock
index 3e7f3c6b..1ee74d2b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1079,7 +1079,7 @@ dependencies = [
 
 [[package]]
 name = "secrecy"
-version = "0.9.0-pre.0"
+version = "0.10.0"
 dependencies = [
  "serde",
  "zeroize",
diff --git a/secrecy/CHANGELOG.md b/secrecy/CHANGELOG.md
index 13a5fa7f..793d6dbe 100644
--- a/secrecy/CHANGELOG.md
+++ b/secrecy/CHANGELOG.md
@@ -4,6 +4,49 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.10.0 (2024-09-17)
+
+This release represents a significant redesign of the `secrecy` crate. We will update this section
+with upgrade instructions based on feedback from people upgrading, as it's been a long time since
+the previous release, and this release includes a number of breaking changes.
+
+The most notable change is the generic `Secret<T>` type has been removed: instead use `SecretBox<T>`
+which stores secrets on the heap instead of the stack. Many of the other changes fall out of this
+change and things which were previously type aliases of `Secret<T>` are now type aliases of
+`SecretBox<T>`.
+
+This unfortunately means this crate no longer has support for "heapless" `no_std` targets. We don't
+have a good solution for these targets, which was a motivation for this change in the first place.
+
+### Added
+- `SecretBox::{init_with, try_init_with}` ([#1212])
+- `SecretBox::init_with_mut` ([#1213])
+- `?Sized` bounds for `SecretBox` ([#1213])
+- `SecretSlice<T>` ([#1214])
+
+### Changed
+- Rust 2021 edition upgrade ([#889])
+- MSRV 1.60 ([#1105])
+- `SecretBox<T>` is now a newtype rather than a type alias of `Secret<Box<T>> ([#1140])
+- `SecretString` is now a type alias for `SecretBox<str>` ([#1213])
+- Disable `serde` default features ([#1194])
+
+### Removed
+- `alloc` feature: now a hard dependency ([#1140])
+- `bytes` crate integration: no replacement ([#1140])
+- `DebugSecret` trait: no replacement ([#1140])
+- `Secret<T>`: use `SecretBox<T>` instead ([#1140])
+
+[#889]: https://github.com/iqlusioninc/crates/pull/889
+[#1105]: https://github.com/iqlusioninc/crates/pull/1105
+[#1140]: https://github.com/iqlusioninc/crates/pull/1140
+[#1194]: https://github.com/iqlusioninc/crates/pull/1194
+[#1212]: https://github.com/iqlusioninc/crates/pull/1212
+[#1213]: https://github.com/iqlusioninc/crates/pull/1213
+[#1214]: https://github.com/iqlusioninc/crates/pull/1214
+
+## 0.9.0 (Skipped)
+
 ## 0.8.0 (2021-07-18)
 
 NOTE: This release includes an MSRV bump to Rust 1.56. Please use `secrecy = "0.7.0"`
diff --git a/secrecy/Cargo.toml b/secrecy/Cargo.toml
index ca95bfa4..f080329a 100644
--- a/secrecy/Cargo.toml
+++ b/secrecy/Cargo.toml
@@ -6,7 +6,7 @@ they aren't accidentally copied, logged, or otherwise exposed
 (as much as possible), and also ensure secrets are securely wiped
 from memory when dropped.
 """
-version     = "0.9.0-pre.0"
+version     = "0.10.0"
 authors     = ["Tony Arcieri <tony@iqlusion.io>"]
 license     = "Apache-2.0 OR MIT"
 homepage    = "https://github.com/iqlusioninc/crates/"
diff --git a/secrecy/LICENSE-MIT b/secrecy/LICENSE-MIT
index e3bba473..48abfdcc 100644
--- a/secrecy/LICENSE-MIT
+++ b/secrecy/LICENSE-MIT
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 iqlusion
+Copyright (c) 2019-2024 iqlusion
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/secrecy/README.md b/secrecy/README.md
index 8f7612ec..7b9d04d5 100644
--- a/secrecy/README.md
+++ b/secrecy/README.md
@@ -45,7 +45,7 @@ possible.
 
 ## License
 
-Copyright © 2019-2023 iqlusion
+Copyright © 2019-2024 iqlusion
 
 **secrecy** is distributed under the terms of either the MIT license
 or the Apache License (Version 2.0), at your option.