diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13063c83..fc3e186a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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).
 
+## 0.56.1 (2024-01-30)
+
+### Fix
+
+- Optional[Literal] type fixed. Closes #518 (#528)
+
 ## 0.56.0 (2024-01-19)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index 99dea054..98b035eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "dataclasses-avroschema"
-version = "0.56.0"
+version = "0.56.1"
 description = "Generate Avro Schemas from Python classes. Serialize/Deserialize python instances with avro schemas"
 authors = ["Marcos Schroh <schrohm@gmail.com>"]
 license = "MIT"
@@ -102,7 +102,7 @@ ignore = ["E402"]
 
 
 [tool.commitizen]
-version = "0.56.0"
+version = "0.56.1"
 tag_format = "$version"
 version_files = [
     "pyproject.toml:version",