diff --git a/pappl-max-vendors.patch b/pappl-max-vendors.patch
new file mode 100644
index 0000000..0a5211d
--- /dev/null
+++ b/pappl-max-vendors.patch
@@ -0,0 +1,13 @@
+diff --git a/pappl/printer.h b/pappl/printer.h
+index c261f5f..860cae0 100644
+--- a/pappl/printer.h
++++ b/pappl/printer.h
+@@ -27,7 +27,7 @@ extern "C" {
+ #  define PAPPL_MAX_SOURCE	16	// Maximum number of sources/rolls
+ #  define PAPPL_MAX_SUPPLY	32	// Maximum number of supplies
+ #  define PAPPL_MAX_TYPE	32	// Maximum number of media types
+-#  define PAPPL_MAX_VENDOR	32	// Maximum number of vendor extension attributes
++#  define PAPPL_MAX_VENDOR	256	// Maximum number of vendor extension attributes
+ 
+ 
+ //
diff --git a/pappl.spec b/pappl.spec
index f8f4fa4..72ead3b 100644
--- a/pappl.spec
+++ b/pappl.spec
@@ -10,7 +10,7 @@
 Summary: Printer Application Framework (PAPPL)
 Name: pappl
 Version: 1.4.6
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: Apache-2.0 WITH LLVM-exception
 Source: https://github.com/michaelrsweet/pappl/releases/download/v%{version}/pappl-%{version}.tar.gz
 Url: https://www.msweet.org/pappl
@@ -20,6 +20,9 @@ Url: https://www.msweet.org/pappl
 Patch001: 0001-List-raw-sockets-during-printers-subcommand-if-avail.patch
 # https://github.com/michaelrsweet/pappl/commit/3f1c329fdd
 Patch002: 0001-Fix-port-number-user-input-when-adding-a-printer-Iss.patch
+# raise MAX_VENDOR https://sourceforge.net/p/gimp-print/mailman/gimp-print-devel/thread/e24b2385-6576-a949-a40d-3786c8067520%40gmail.com/#msg37353830
+# downstream only, Mike does not want to merge the change
+Patch003: pappl-max-vendors.patch
 
 
 BuildRequires: avahi-devel
@@ -109,6 +112,9 @@ make test
 %{_mandir}/man3/pappl-system.3.gz
 
 %changelog
+* Mon Jul 29 2024 Zdenek Dohnal <zdohnal@redhat.com> - 1.4.6-2
+- RHEL-50774 enlarge array for vendor specific attributtes
+
 * Wed Jul 17 2024 Zdenek Dohnal <zdohnal@redhat.com> - 1.4.6-1
 - RHEL-25805 [pappl] rebase pappl to 1.4.6