diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cfea29..e3088ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,19 @@ See [Conventional Commits](Https://conventionalcommits.org) for commit guideline
 
 <!-- changelog -->
 
+## [v0.4.0](https://code.harton.nz/james/ash_cubdb/compare/v0.3.1...v0.4.0) (2023-10-02)
+
+
+
+
+### Features:
+
+* Support destroying records.
+
+### Bug Fixes:
+
+* honour tenancy when updating.
+
 ## [v0.3.1](https://code.harton.nz/james/ash_cubdb/compare/v0.3.0...v0.3.1) (2023-10-02)
 
 
diff --git a/README.md b/README.md
index 68de95d..732d67e 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ by adding `ash_cubdb` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:ash_cubdb, "~> 0.3.1"}
+    {:ash_cubdb, "~> 0.4.0"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 3ff7004..e82108a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule AshCubDB.MixProject do
   use Mix.Project
 
-  @version "0.3.1"
+  @version "0.4.0"
 
   @moduledoc """
   A CubDB data layer for `Ash` resources.