diff --git a/cups-1.4.5-source.tar.bz2 b/cups-1.4.5-source.tar.bz2
deleted file mode 100644
index c1609e0..0000000
--- a/cups-1.4.5-source.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0450d6d8e6e8af225d2a3319c848737d76473a6c7579cf97c52086d0371c0efe
-size 4513924
diff --git a/cups-1.4.6-source.tar.bz2 b/cups-1.4.6-source.tar.bz2
new file mode 100644
index 0000000..40f11f8
--- /dev/null
+++ b/cups-1.4.6-source.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f08711702a77b52c7150f96fe1f45482f6151cb95ef601268c528607fe6ad514
+size 4517061
diff --git a/cups.changes b/cups.changes
index 3089add..e8729f5 100644
--- a/cups.changes
+++ b/cups.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Fri Jan 14 14:25:39 CET 2011 - jsmeix@suse.de
+
+- Upgraded to CUPS 1.4.6
+  CUPS 1.4.6 fixes in particular a regression:
+  * A change was made in CUPS 1.4.5's pstops filter
+    that it did not support landscape printing
+    of PostScript files (STR #3722)
+  * For a complete list see the CHANGES.txt file.
+
 -------------------------------------------------------------------
 Thu Dec  9 13:26:06 CET 2010 - jsmeix@suse.de
 
diff --git a/cups.spec b/cups.spec
index 0a1152e..b48b0f3 100644
--- a/cups.spec
+++ b/cups.spec
@@ -34,7 +34,11 @@ Url:            http://www.cups.org/
 License:        GPLv2+ ; LGPLv2.1+
 Group:          Hardware/Printing
 Summary:        The Common UNIX Printing System
-Version:        1.4.5
+# Source0...Source9 is for sources from upstream:
+# URL for Source0: http://ftp.easysw.com/pub/cups/1.4.6/cups-1.4.6-source.tar.bz2
+# MD5 sum for Source0 on http://www.cups.org/software.php de8fb5a29c36554925c0c6a6e2c0dae1
+Version:        1.4.6
+Source0:        cups-%{version}-source.tar.bz2
 Release:        2
 # Require the exact matching version-release of the cups-libs sub-package because
 # non-matching CUPS libraries may let CUPS software crash (e.g. segfault)
@@ -47,19 +51,19 @@ Release:        2
 # and all required packages are provided on the same repository:
 Requires:       cups-libs = %{version}-%{release}
 Requires:       cups-client = %{version}
-Requires:       ghostscript_any, ghostscript-fonts-std, foomatic-filters
-Requires:       util-linux /usr/bin/pdftops
+Requires:       ghostscript_any, ghostscript-fonts-std
+Requires:       util-linux
+# See the configure setting '--with-pdftops=/usr/bin/pdftops':
+Requires:       /usr/bin/pdftops
 %if 0%{?suse_version} >= 1100
 Requires:       pdftools_any
 %endif
+# Our Source105 PSLEVEL1.PPD.bz2 and Source106 PSLEVEL2.PPD.bz2 require foomatic-rip:
+Requires:       foomatic-filters
 Suggests:       poppler-tools
 Conflicts:      plp lprold lprng
 Obsoletes:      cups-SUSE-ppds-dat
 Provides:       cups-SUSE-ppds-dat
-# Source0...Source9 is for sources from upstream:
-# URL for Source0: http://ftp.easysw.com/pub/cups/1.4.5/cups-1.4.5-source.tar.bz2
-# MD5 sum for Source0 on http://www.cups.org/software.php 50729f6fc46ba54223e0eaf5009f3419
-Source0:        cups-%{version}-source.tar.bz2
 # Patch0...Patch9 is for patches from upstream:
 # Source10...Source99 is for sources from Novell/openSUSE which are intended for upstream:
 # Patch10...Patch99 is for patches from Novell/openSUSE which are intended for upstream:
@@ -374,7 +378,7 @@ exit 0
 # (In CUPS 1.3.10 a configure magic did silently skip to build
 #  the pdftops filter when there was no /usr/bin/pdftops
 #  installed in the build system regardless of an explicite
-#  configure setting ' --with-pdftops=/usr/bin/pdftops',
+#  configure setting '--with-pdftops=/usr/bin/pdftops',
 #  see also http://www.cups.org/str.php?L3278).
 # When all mandatory files are explicitely listed,
 # the build fails intentionally if a mandatory file was not built