diff --git a/gutenprint.spec b/gutenprint.spec
index 91445dd..15061e9 100644
--- a/gutenprint.spec
+++ b/gutenprint.spec
@@ -4,7 +4,7 @@
 Name:           gutenprint
 Summary:        Printer Drivers Package
 Version:        5.3.4
-Release:        4%{?dist}
+Release:        5%{?dist}
 URL:            http://gimp-print.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/gimp-print/%{name}-%{version}.tar.xz
 # Post-install script to update CUPS native PPDs.
@@ -109,6 +109,9 @@ that is used by gutenprint-devel package.
 Summary:        CUPS drivers for Canon, Epson, HP and compatible printers
 Requires:       cups
 Requires:       %{name}%{?_isa} = %{version}-%{release}
+# for cups-genppdupdate python script
+Requires:       python3
+Requires:       python3-chardet
 
 %description cups
 This package contains native CUPS support for a wide range of Canon,
@@ -258,6 +261,9 @@ exit 0
 %{_mandir}/man8/cups-genppd*8*.gz
 
 %changelog
+* Mon Nov 22 2021 Zdenek Dohnal <zdohnal@redhat.com> - 5.3.4-5
+- 2025107 - cups-genppdupdate needs python3-chardet
+
 * Wed Aug 11 2021 Zdenek Dohnal <zdohnal@redhat.com> - 5.3.4-4
 - fix xml errors reported by rpminspect