diff --git a/hplip.spec b/hplip.spec
index d1abde6..0c731bb 100644
--- a/hplip.spec
+++ b/hplip.spec
@@ -3,7 +3,7 @@
 %define cups_ver %(cups-config --api-version)
 Name:          hplip
 Version:       3.15.6
-Release:       3mamba
+Release:       4mamba
 Summary:       A printer driver for HP inkjet devices
 Group:         System/Spooling
 Vendor:        openmamba
@@ -194,6 +194,9 @@ grep hpaio %{_sysconfdir}/sane.d/dll.conf >/dev/null ||
 %{_datadir}/doc/*
 
 %changelog
+* Tue Jun 16 2015 Automatic Build System <autodist@mambasoft.it> 3.15.6-4mamba
+- automatic version update by autodist
+
 * Mon Jun 15 2015 Automatic Build System <autodist@mambasoft.it> 3.15.6-3mamba
 - automatic version update by autodist