diff --git a/snort.spec b/snort.spec
index 7c81f31..3a8745c 100644
--- a/snort.spec
+++ b/snort.spec
@@ -5,7 +5,7 @@
 %define userid 65023
 
 Name:          snort
-Version:       3.1.20.0
+Version:       3.1.21.0
 Release:       1mamba
 Summary:       The Open Source Intrusion Detection System
 Group:         Network/Monitoring
@@ -208,6 +208,9 @@ fi
 %{_libdir}/pkgconfig/snort.pc
 
 %changelog
+* Thu Jan 27 2022 Automatic Build System <autodist@mambasoft.it> 3.1.21.0-1mamba
+- automatic version update by autodist
+
 * Thu Jan 13 2022 Automatic Build System <autodist@mambasoft.it> 3.1.20.0-1mamba
 - automatic version update by autodist