diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44c6ff8..5728fef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.4.0](https://github.com/floris-xlx/supabase_rs/compare/v0.3.5...v0.4.0) (2024-09-26)
+
+
+### Features
+
+* add upsert_without_defined_key method ([e632844](https://github.com/floris-xlx/supabase_rs/commit/e6328443168f0c427d03bb5c57c0a01d778a0c84))
+
+
+### Bug Fixes
+
+* return type of upsert_without_defined_key should be Result<(), String> ([eaee89b](https://github.com/floris-xlx/supabase_rs/commit/eaee89b43740f2b4bf5a8ae693669e9489de5ead))
+
 ## 0.1.0 (2024-07-10)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 0a0c9a4..bdba242 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1094,7 +1094,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "supabase_rs"
-version = "0.3.7"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "deprecate-until",
diff --git a/Cargo.toml b/Cargo.toml
index 7b4599d..0d283d5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "supabase_rs"
-version = "0.3.7"
+version = "0.4.0"
 edition = "2021"
 authors = ["Floris floris@xylex.ai"]
 description = "Lightweight Rust client for Supabase REST and GraphQL"