diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index fa25a5b401..eb4a85e123 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"4.28.0","packages/phoenix-evals":"0.15.0","packages/phoenix-otel":"0.3.0"}
+{".":"4.28.1","packages/phoenix-evals":"0.15.0","packages/phoenix-otel":"0.3.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index dff2725b4e..34aac56d0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [4.28.1](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v4.28.0...arize-phoenix-v4.28.1) (2024-08-23)
+
+
+### Bug Fixes
+
+* format code ([#4343](https://github.com/Arize-ai/phoenix/issues/4343)) ([32e131a](https://github.com/Arize-ai/phoenix/commit/32e131a17525b6fbe65178a03d7fa338490fdf0b))
+
 ## [4.28.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v4.27.0...arize-phoenix-v4.28.0) (2024-08-23)
 
 
diff --git a/src/phoenix/version.py b/src/phoenix/version.py
index b459ba2b0d..50c39b97b0 100644
--- a/src/phoenix/version.py
+++ b/src/phoenix/version.py
@@ -1 +1 @@
-__version__ = "4.28.0"
+__version__ = "4.28.1"