diff --git a/pam.spec b/pam.spec
index e880d2c..f744695 100644
--- a/pam.spec
+++ b/pam.spec
@@ -9,8 +9,8 @@
 %define        unix2_ver   2.6
 
 Name:          pam
-Version:       1.5.2
-Release:       3mamba
+Version:       1.5.3
+Release:       1mamba
 Summary:       Utilities for monitoring your system and processes on your system
 Group:         System/Libraries
 Vendor:        openmamba
@@ -104,10 +104,10 @@ This package contains the documentation files in html, pdf and postscript format
 
 %prep
 %setup -q -a4 -a5 -a9 -a10 -n linux-pam-%{version}
-%patch1 -p1
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
+%patch 1 -p1
+%patch 2 -p1
+%patch 3 -p1
+%patch 4 -p1
 # FIXME: disable pdf generation until fop is fixed (since 1.5.2-2mamba)
 sed -i "s|\[fop\]|[fop_does_not_work]|" configure.ac
 ./autogen.sh
@@ -265,6 +265,9 @@ sed -i "s|pam_cracklib.so|pam_pwquality.so|" %{_sysconfdir}/pam.d/system-auth{,-
 %{_docdir}/Linux-PAM/*
 
 %changelog
+* Tue May 09 2023 Automatic Build System <autodist@mambasoft.it> 1.5.3-1mamba
+- automatic version update by autodist
+
 * Mon Nov 21 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.2-3mamba
 - install rpm macros file