diff --git a/gzip.spec b/gzip.spec
index 57d2d32..e8333ec 100644
--- a/gzip.spec
+++ b/gzip.spec
@@ -1,5 +1,5 @@
 Name:          gzip
-Version:       1.12
+Version:       1.13
 Release:       1mamba
 Summary:       The GNU data compression program
 Group:         Applications/Archiving
@@ -38,7 +38,7 @@ Gzipped files have a .gz extension.
 %setup -q
 %define _default_patch_fuzz 2
 #%patch0 -p1 -b .zforce
-%patch5 -p1 -b .cve_2006_4335
+%patch 5 -p1 -b .cve_2006_4335
 
 %build
 export DEFS="NO_ASM"
@@ -86,6 +86,9 @@ rm -f %{buildroot}%{_bindir}/uncompress
 #NEWS README THANKS TODO
 
 %changelog
+* Sun Aug 20 2023 Automatic Build System <autodist@mambasoft.it> 1.13-1mamba
+- automatic version update by autodist
+
 * Fri Apr 15 2022 Automatic Build System <autodist@mambasoft.it> 1.12-1mamba
 - automatic version update by autodist