diff --git a/gphoto.spec b/gphoto.spec
index 04b933f..6b0ac61 100644
--- a/gphoto.spec
+++ b/gphoto.spec
@@ -1,6 +1,6 @@
 Name:          gphoto
 Version:       2.5.5
-Release:       1mamba
+Release:       2mamba
 Summary:       The command line interface to libgphoto
 Group:         Applications/Graphics
 Vendor:        openmamba
@@ -18,6 +18,7 @@ BuildRequires: libltdl-devel
 BuildRequires: libpopt-devel
 BuildRequires: libreadline-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libgphoto2-devel >= 1:2.5.19-1mamba
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -47,6 +48,9 @@ The command line interface to libgphoto. It allows almost everything that libgph
 %{_mandir}/man1/gphoto2*
 
 %changelog
+* Tue Oct 09 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.5-2mamba
+- rebuilt by autoport with build requirements: libgphoto2-devel>=2.5.19-1mamba
+
 * Fri Dec 26 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.5-1mamba
 - update to 2.5.5