diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7d4a8d..733c484 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file. The format
 
 ## [Unreleased]
 
+## [0.4.0] - 2026-04-09
+
 ### Changed
 
 - Removed unnecessary validation from non-exact aggregate queries without `over()`
@@ -108,7 +110,8 @@ All notable changes to this project will be documented in this file. The format
 - Schema dump/load round-trip for tokenizer configuration and index options
   (including `target_segment_count`)
 
-[Unreleased]: https://github.com/paradedb/rails-paradedb/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/paradedb/rails-paradedb/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/paradedb/rails-paradedb/releases/tag/v0.4.0
 [0.3.0]: https://github.com/paradedb/rails-paradedb/releases/tag/v0.3.0
 [0.2.0]: https://github.com/paradedb/rails-paradedb/releases/tag/v0.2.0
 [0.1.0]: https://github.com/paradedb/rails-paradedb/releases/tag/v0.1.0
diff --git a/lib/parade_db/version.rb b/lib/parade_db/version.rb
index d79fb82..6b30d19 100644
--- a/lib/parade_db/version.rb
+++ b/lib/parade_db/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ParadeDB
-  VERSION = "0.3.0"
+  VERSION = "0.4.0"
 end