diff --git a/ibus-m17n.spec b/ibus-m17n.spec
index 70df375..7840b23 100644
--- a/ibus-m17n.spec
+++ b/ibus-m17n.spec
@@ -1,5 +1,5 @@
 Name:          ibus-m17n
-Version:       1.4.20
+Version:       1.4.21
 Release:       1mamba
 Summary:       M17N engine for IBus
 Group:         System/Libraries
@@ -78,6 +78,9 @@ fi
 %doc AUTHORS COPYING
 
 %changelog
+* Tue Aug 08 2023 Automatic Build System <autodist@mambasoft.it> 1.4.21-1mamba
+- automatic version update by autodist
+
 * Fri Aug 04 2023 Automatic Build System <autodist@mambasoft.it> 1.4.20-1mamba
 - automatic version update by autodist