diff --git a/clzip-1.11.tar.gz b/clzip-1.11.tar.gz
deleted file mode 100644
index 08dbab6..0000000
--- a/clzip-1.11.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d9d51212afa80371dc2546d278ef8ebbb3cd57c06fdd761b7b204497586d24c0
-size 107499
diff --git a/clzip-1.11.tar.gz.sig b/clzip-1.11.tar.gz.sig
deleted file mode 100644
index c6a6499..0000000
Binary files a/clzip-1.11.tar.gz.sig and /dev/null differ
diff --git a/clzip-1.12.tar.gz b/clzip-1.12.tar.gz
new file mode 100644
index 0000000..d233b4b
--- /dev/null
+++ b/clzip-1.12.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fcc92b3006d87b7c4affa03fe9dcc4869a802253052653200c26f6ba718bfee8
+size 122196
diff --git a/clzip-1.12.tar.gz.sig b/clzip-1.12.tar.gz.sig
new file mode 100644
index 0000000..682b6fa
Binary files /dev/null and b/clzip-1.12.tar.gz.sig differ
diff --git a/clzip.changes b/clzip.changes
index 7312be9..226e4da 100644
--- a/clzip.changes
+++ b/clzip.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri Mar 12 22:15:31 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 1.12
+  * Make -o behave like -c, but writing to file instead of stdout.
+  * Make -c and -o check whether the output is a terminal
+    only once.
+
 -------------------------------------------------------------------
 Thu Mar 14 20:48:48 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/clzip.spec b/clzip.spec
index 2972386..f6c1b2a 100644
--- a/clzip.spec
+++ b/clzip.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package clzip
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 # Copyright (c) 2011-2013 Pascal Bleser <pascal.bleser@opensuse.org>
 #
 # All modifications and additions to the file contributed by third parties
@@ -18,9 +18,9 @@
 
 
 Name:           clzip
-Version:        1.11
+Version:        1.12
 Release:        0
-%define xversion	1.11
+%define xversion	1.12
 Summary:        Lossless Data Compressor based on LZMA
 License:        GPL-2.0-or-later
 Group:          Productivity/Archiving/Compression
@@ -28,7 +28,6 @@ URL:            http://www.nongnu.org/lzip/clzip.html
 Source:         http://download.savannah.gnu.org/releases/lzip/clzip/%name-%xversion.tar.gz
 Source2:        http://download.savannah.gnu.org/releases/lzip/clzip/%name-%version.tar.gz.sig
 Source3:        %name.keyring
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Requires(post): info
 Requires(preun):info
 
@@ -51,8 +50,8 @@ mkdir build
 pushd build/
 ../configure --prefix="%_prefix" --bindir="%_bindir" --datadir="%_datadir" \
 	--infodir="%_infodir" --mandir="%_mandir" --sysconfdir="%_sysconfdir" \
-	CC="%__cc" CFLAGS="%optflags"
-make %{?_smp_flags}
+	CFLAGS="%optflags"
+%make_build
 popd
 
 %install
@@ -72,7 +71,6 @@ popd
 %install_info_delete --info-dir="%_infodir" "%_infodir/clzip.info%ext_info"
 
 %files
-%defattr(-,root,root)
 %doc AUTHORS COPYING ChangeLog NEWS README
 %_bindir/clzip
 %_mandir/man1/clzip.1%ext_man