diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index bf7b733..fea3454 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.4"
+  ".": "1.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f137bab..3f6fd74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,22 @@ 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).
 
+## [1.0.0](https://github.com/matthewhartstonge/argon2/compare/v0.3.4...v1.0.0) (2023-12-03)
+
+
+### ⚠ BREAKING CHANGES
+
+* **deps:** bump golang.org/x/crypto from 0.13.0 to 0.16.0
+
+### Features
+
+* **deps:** bump golang.org/x/crypto from 0.13.0 to 0.16.0 ([8dbc527](https://github.com/matthewhartstonge/argon2/commit/8dbc52707b213d2c69660edb118b56f915eec4b0))
+
+
+### Miscellaneous Chores
+
+* release 1.0.0 ([fbe015c](https://github.com/matthewhartstonge/argon2/commit/fbe015cd6ebc9dc6890d00d5f09cd4b42583fc28))
+
 ## [0.3.4](https://github.com/matthewhartstonge/argon2/compare/v0.3.3...v0.3.4) (2023-09-06)