diff --git a/.gitignore b/.gitignore
index 5cbbce3..d3b5c8c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ foomatic-db-4.0-20100204.tar.gz
 /foomatic-db-4.0-20201104.tar.gz
 /foomatic-db-4.0-20210209.tar.gz
 /foomatic-db-4.0-20210611.tar.gz
+/foomatic-db-4.0-20230810.tar.gz
diff --git a/foomatic-db.spec b/foomatic-db.spec
index 85251d4..fdb88e8 100644
--- a/foomatic-db.spec
+++ b/foomatic-db.spec
@@ -1,13 +1,13 @@
 %global dbver_rel 4.0
 # When you change dbver_snap, rebuild also foomatic against this build to pick up new IEEE 1284 Device IDs.
 # The postscriptdriver tags get put onto foomatic, because that's there the actual CUPS driver lives.
-%global dbver_snap 20210611
+%global dbver_snap 20230810
 
 Summary: Database of printers and printer drivers
 Name: foomatic-db
 Version: %{dbver_rel}
-Release: 76.%{dbver_snap}%{?dist}
-License: GPLv2+
+Release: 77.%{dbver_snap}%{?dist}
+License: GPL-2.0-or-later
 Requires: %{name}-filesystem = %{version}-%{release}
 Requires: %{name}-ppds = %{version}-%{release}
 
@@ -61,7 +61,7 @@ PPDs from printer manufacturers.
 %prep
 %setup -q -n foomatic-db-%{dbver_snap}
 
-find -type d | xargs chmod g-s
+find -type d | xargs -d '\n' chmod g-s
 
 pushd db/source
 
@@ -125,10 +125,10 @@ popd
 # HP DeskJet 720C (bug #797099)
 # Kyocera FS-1118MFP (bug #782377)
 # Brother HL-2040 (bug #999040)
-%patch1 -p1
+%patch -P 1 -p1
 
 # These can't be generated at all (bug #866476)
-%patch2 -p1
+%patch -P 2 -p1
 
 # Use sed instead of perl in the PPDs (bug #512739).
 find db/source/PPD -type f -name '*.ppd' -exec sed -i 's,perl -p,sed,g' {} +
@@ -180,6 +180,12 @@ ln -sf ../../foomatic/db/source/PPD %{buildroot}%{_datadir}/cups/model/foomatic-
 %{_datadir}/cups/model/foomatic-db-ppds
 
 %changelog
+* Fri Aug 11 2023 Zdenek Dohnal <zdohnal@redhat.com> - 4.0-77.20230810
+- update to foomatic-db-4.0-20230810
+- fix xargs in %%prep to work with files with spaces
+- fix rpm warnings about patch macros
+- SPDX migration
+
 * Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 4.0-76.20210611
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
 
diff --git a/sources b/sources
index c3610b1..1456ed3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (foomatic-db-4.0-20210611.tar.gz) = b6d2526f6c392620f1bb1511063ff8c709f66a8b20ee2f9026017884d29b80cdf52727d6c44f98559f2b461c2cabeb3c672284af7218a4316921ff1698499d27
+SHA512 (foomatic-db-4.0-20230810.tar.gz) = 6444956f65055478c843fdcdf0638ce185ec48275e77d5bc74a6c2c78acf309a8be6ca9f0e758dbe2991eab5851e79e73a470a77d1a5412f6f885e6f97db3774