diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9800444..ad16658 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.28.0"
+  ".": "0.28.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0d5cb0..a3d2a29 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.28.1](https://github.com/denehoffman/ganesh/compare/v0.28.0...v0.28.1) (2026-07-16)
+
+
+### Bug Fixes
+
+* Preserve native L-BFGS-B bounds ([1c7521d](https://github.com/denehoffman/ganesh/commit/1c7521dcc935c452bb76f643596904365d7186a6))
+
 ## [0.28.0](https://github.com/denehoffman/ganesh/compare/v0.27.1...v0.28.0) (2026-07-14)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index c63b9ce..74c0263 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -332,7 +332,7 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "ganesh"
-version = "0.28.0"
+version = "0.28.1"
 dependencies = [
  "approx",
  "codspeed-criterion-compat",
diff --git a/Cargo.toml b/Cargo.toml
index a37a4be..a7a2c19 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ganesh"
-version = "0.28.0"
+version = "0.28.1"
 edition = "2021"
 description = "Minimization and sampling in Rust, simplified"
 documentation = "https://docs.rs/ganesh"