diff --git a/libgcrypt.spec b/libgcrypt.spec
index 0ea7a98..f50c416 100644
--- a/libgcrypt.spec
+++ b/libgcrypt.spec
@@ -1,5 +1,5 @@
 Name:          libgcrypt
-Version:       1.6.3
+Version:       1.6.4
 Release:       1mamba
 Summary:       GNU's basic cryptographic library
 Group:         System/Libraries
@@ -105,6 +105,9 @@ This package contains utility applications for %{name}.
 %{_mandir}/man1/hmac256.1*
 
 %changelog
+* Thu Sep 10 2015 Automatic Build System <autodist@mambasoft.it> 1.6.4-1mamba
+- automatic version update by autodist
+
 * Tue Mar 03 2015 Automatic Build System <autodist@mambasoft.it> 1.6.3-1mamba
 - automatic version update by autodist