diff --git a/CHANGELOG.md b/CHANGELOG.md
index 551288e..78e51cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/czi-ai/transcriptformer/compare/v0.4.2...v0.5.0) (2025-08-11)
+
+
+### Features
+
+* added ESM-2 preprocessing pipeline ([#49](https://github.com/czi-ai/transcriptformer/issues/49)) ([181193c](https://github.com/czi-ai/transcriptformer/commit/181193c13ad71bffeb7f82d01336760bfbd01ee8))
+
 ## [0.4.2](https://github.com/czi-ai/transcriptformer/compare/v0.4.1...v0.4.2) (2025-07-24)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index c540f2a..68fd9a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ requires = [ "hatchling" ]
 
 [project]
 name = "transcriptformer"
-version = "0.4.2"
+version = "0.5.0"
 description = "A transformer model for gene expression data"
 readme = "README.md"
 license = { text = "MIT" }