diff --git a/gnuplot-4.6.3.tar.gz b/gnuplot-4.6.3.tar.gz
deleted file mode 100644
index 46f330c..0000000
--- a/gnuplot-4.6.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:df5ffafa25fb32b3ecc0206a520f6bca8680e6dcc961efd30df34c0a1b7ea7f5
-size 4973116
diff --git a/gnuplot-4.6.4.tar.gz b/gnuplot-4.6.4.tar.gz
new file mode 100644
index 0000000..6893f93
--- /dev/null
+++ b/gnuplot-4.6.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:843a2019bcc89f76520ac2c88ada900917f28b90f809a47da50a1cffc9190431
+size 4974176
diff --git a/gnuplot.changes b/gnuplot.changes
index 3ec2a16..76af393 100644
--- a/gnuplot.changes
+++ b/gnuplot.changes
@@ -1,3 +1,26 @@
+-------------------------------------------------------------------
+Tue Oct 29 22:32:31 UTC 2013 - burnus@net-b.de
+
+- Update to 4.6.4
+  * CHANGE treat empty fields in a csv file as "missing" rather than "bad"
+  * CHANGE allow reference to more than one column header in 'using' or 'title'
+  * CHANGE if a polar plot is autoscaled, try to place the origin at the center
+  * FIX svg and canvas terminal mousing of inverted axis coordinates
+  * FIX emf failed to initialize font correctly on some systems
+  * FIX timedata columns can now be referred to via column(N) and column("HEAD")
+  * FIX qt terminal toggling of enhanced text elements in plot with labels
+  * FIX color/pattern generated for key entries of columnstacked histograms
+  * FIX hitting ^C twice forces temination of wxt session hung by lost X-server
+  * FIX win terminal failed to properly adjust plot border after window resize
+  * FIX several conditions in which macros were not expanded during command input
+  * FIX promote a string containing only digits to INTGR rather than CMPLX
+  * FIX 'set grid front' caused failure to initialize location of axis zero point
+  * FIX very poor precision in mouse coords reported by x11 in -persist mode
+  * FIX parsing of $# (the number of arguments in a "call"). It's not a comment!
+  * FIX memory leak of cropped images using pngcairo terminal
+  * FIX "lc variable" now iterates over linetype colors (not styles) as documented
+  * FIX rtics were sometimes drawn with length 0 
+
 -------------------------------------------------------------------
 Thu Apr 25 07:55:00 UTC 2013 - burnus@net-b.de
 
diff --git a/gnuplot.spec b/gnuplot.spec
index a7b08e0..aaf168a 100644
--- a/gnuplot.spec
+++ b/gnuplot.spec
@@ -64,12 +64,12 @@ BuildRequires:  plotutils-devel
 BuildRequires:  plotutils
 %endif
 Url:            http://www.gnuplot.info/
-Version:        4.6.3
+Version:        4.6.4
 Release:        0
 Summary:        GNUplot a Function Plotting Utility
 License:        SUSE-Gnuplot and GPL-2.0+
 Group:          Productivity/Graphics/Visualization/Graph
-# http://downloads.sourceforge.net/project/gnuplot/gnuplot/4.6.2/gnuplot-4.6.2.tar.gz
+# http://sourceforge.net/projects/gnuplot/files/gnuplot/4.6.4/gnuplot-4.6.4.tar.gz/download
 Source0:        gnuplot-%{version}.tar.gz
 Source2:        gnuplot-fr.doc.bz2
 Source3:        README.whynot