diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84a7086..9c78ebc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
-## v2.0.0 - Unreleased
+## v2.1.0 - 2024-11-19
+
+- `to_string_builder` has been deprecated in favour of `to_string_tree`.
+
+## v2.0.0 - 2024-05-23
 
 - The Thoas Erlang library has been removed as a dependency in favour of the
   built-in Erlang JSON library. This means that Erlang/OTP 27.0 or higher is now
diff --git a/gleam.toml b/gleam.toml
index af3cd9c..57d32ab 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "gleam_json"
-version = "2.0.0"
+version = "2.1.0"
 gleam = ">= 0.32.0"
 
 licences = ["Apache-2.0"]