diff --git a/debian/changelog b/debian/changelog
index de9ea82..e356382 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+python3-damaris (0.21) UNRELEASED; urgency=medium
+
+  * fixed autocomplete in the editor tabs 
+
+ -- Markus Rosenstihl <markus.rosenstihl@pkm.tu-darmstadt.de>  Sat, 04 Jul 2026 20:00:13 +0200
+
 python3-damaris (0.20) stable; urgency=medium
 
   * Unified version management across Python app, GUI and documentation
diff --git a/src/damaris/__init__.py b/src/damaris/__init__.py
index cc71744..9af9633 100644
--- a/src/damaris/__init__.py
+++ b/src/damaris/__init__.py
@@ -15,5 +15,5 @@
 
 ## module contents
 #
-__version__ = "0.20"
+__version__ = "0.21"
 __all__=["experiments", "data", "gui"]