diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1a01f7..5d7ada8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## v0.3.1
+## v0.4.0 (2022-01-19)
 
   * Update Sass version to `1.49.0`
   * Attach system target architecture to saved esbuild executable (h/t @cw789)
diff --git a/mix.exs b/mix.exs
index ddc6778..04b7086 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule DartSass.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "0.4.0"
   @source_url "https://github.com/CargoSense/dart_sass"
 
   def project do