diff --git a/changelog.md b/changelog.md
index 98fffb212..08ffcb54f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.4.2 (2021-12-12)
+
+### 🩹 Bug fixes
+
+- 🩹🚧 Backport of bugfix #927 discovered in PR #860 related to initial_concentration normalization when saving results (#934).
+
 ## 0.4.1 (2021-09-07)
 
 ### ✨ Features
diff --git a/glotaran/__init__.py b/glotaran/__init__.py
index 196df8c62..861fe447c 100644
--- a/glotaran/__init__.py
+++ b/glotaran/__init__.py
@@ -8,7 +8,7 @@
 
 load_plugins()
 
-__version__ = "0.4.1"
+__version__ = "0.4.2"
 
 
 def __getattr__(attribute_name: str):