diff --git a/postgresql.spec b/postgresql.spec
index 9c0bd0c..31a712d 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -3,7 +3,7 @@
 %define        majver %(echo %version | cut -d. -f 1-2)
 
 Name:          postgresql
-Version:       15.2
+Version:       15.3
 Release:       1mamba
 Summary:       An object-relational database management system (ORDBMS)
 Group:         Applications/Databases
@@ -129,7 +129,7 @@ The postgresql-docs package includes some additional documentation for PostgreSQ
 
 %prep
 %setup -q
-%patch0 -p1
+%patch 0 -p1
 #%patch1 -p1 -b .llvm-14.0.3
 
 %build
@@ -360,6 +360,9 @@ find /etc/rc[0-6].d/ -type l -xtype l -exec rm -f {} \;
 %{_libdir}/postgresql/tutorial/*
 
 %changelog
+* Sat May 13 2023 Automatic Build System <autodist@mambasoft.it> 15.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 10 2023 Automatic Build System <autodist@mambasoft.it> 15.2-1mamba
 - automatic version update by autodist