diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9284126..b6c99f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ 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).
 
+# [2.2.20] - 2023-09-22
+
+- Fix non-initialized modifications
+- Allow for setting number of epochs
+
 # [2.2.20] - 2023-09-19
 
 - Fix selenium atom logging error
diff --git a/setup.py b/setup.py
index 7494056..c7ced12 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='deeplc',
-    version='2.2.20',
+    version='2.2.21',
     license='apache-2.0',
     description='DeepLC: Retention time prediction for (modified) peptides using Deep Learning.',
     long_description=LONG_DESCRIPTION,