diff --git a/libqalculate.spec b/libqalculate.spec
index 79b2fcc..7524fea 100644
--- a/libqalculate.spec
+++ b/libqalculate.spec
@@ -1,5 +1,5 @@
 Name:          libqalculate
-Version:       3.22.0
+Version:       4.0.0
 Release:       1mamba
 Summary:       Multi-purpose calculator library 
 Group:         System/Libraries
@@ -113,6 +113,9 @@ This package provides the text-mode interface for Qalculate!
 %{_mandir}/man1/qalc.1*
 
 %changelog
+* Tue Feb 15 2022 Automatic Build System <autodist@mambasoft.it> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Wed Dec 01 2021 Automatic Build System <autodist@mambasoft.it> 3.22.0-1mamba
 - automatic version update by autodist