diff --git a/libnss.spec b/libnss.spec
index 98e4ebf..d601c63 100644
--- a/libnss.spec
+++ b/libnss.spec
@@ -6,7 +6,7 @@
 %define        with_test   0
 %define        with_nsspem 0
 Name:          libnss
-Version:       3.51
+Version:       3.51.1
 Release:       1mamba
 Summary:       Network Security Services
 Group:         System/Libraries
@@ -277,6 +277,9 @@ ln -s nss3 %{buildroot}%{_includedir}/nss
 %{_includedir}/nss3/*
 
 %changelog
+* Mon Apr 13 2020 Automatic Build System <autodist@mambasoft.it> 3.51.1-1mamba
+- automatic version update by autodist
+
 * Sun Mar 08 2020 Automatic Build System <autodist@mambasoft.it> 3.51-1mamba
 - automatic version update by autodist