diff --git a/.cvsignore b/.cvsignore
index 60f6c2b..aa3a7d7 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1 @@
-mysql-5.1.47-nodocs.tar.gz
+mysql-5.1.48-nodocs.tar.gz
diff --git a/mysql-plugin-bug.patch b/mysql-plugin-bug.patch
index f90e81c..780d2aa 100644
--- a/mysql-plugin-bug.patch
+++ b/mysql-plugin-bug.patch
@@ -11,13 +11,13 @@ platform-dependent results, with the "expected" results being arguably the
 wrong ones.  This is upstream at http://bugs.mysql.com/bug.php?id=46895
 
 
-diff -Naur mysql-5.1.47.orig/mysql-test/t/disabled.def mysql-5.1.47/mysql-test/t/disabled.def
---- mysql-5.1.47.orig/mysql-test/t/disabled.def	2010-05-06 11:58:11.000000000 -0400
-+++ mysql-5.1.47/mysql-test/t/disabled.def	2010-05-24 11:16:14.000000000 -0400
-@@ -13,3 +13,6 @@
+diff -Naur mysql-5.1.48.orig/mysql-test/t/disabled.def mysql-5.1.48/mysql-test/t/disabled.def
+--- mysql-5.1.48.orig/mysql-test/t/disabled.def	2010-06-03 12:17:34.000000000 -0400
++++ mysql-5.1.48/mysql-test/t/disabled.def	2010-06-20 23:49:47.317995474 -0400
+@@ -12,3 +12,6 @@
+ kill                     : Bug#37780 2008-12-03 HHunger need some changes to be robust enough for pushbuild.
  query_cache_28249        : Bug#43861 2009-03-25 main.query_cache_28249 fails sporadically
  partition_innodb_plugin  : Bug#53307 2010-04-30 VasilDimov valgrind warnings
- ps_3innodb               : Bug#53309 2010-04-30 VasilDimov valgrind warnings
 +#
 +plugin_load         : gives wrong answer on PPC64
 +outfile_loaddata    : gives different results on different platforms
diff --git a/mysql.spec b/mysql.spec
index 7f4de09..4e75964 100644
--- a/mysql.spec
+++ b/mysql.spec
@@ -1,6 +1,6 @@
 Name: mysql
-Version: 5.1.47
-Release: 2%{?dist}
+Version: 5.1.48
+Release: 1%{?dist}
 Summary: MySQL client programs and shared libraries
 Group: Applications/Databases
 URL: http://www.mysql.com
@@ -574,6 +574,10 @@ fi
 %{_mandir}/man1/mysql_client_test.1*
 
 %changelog
+* Mon Jun 21 2010 Tom Lane <tgl@redhat.com> 5.1.48-1
+- Update to MySQL 5.1.48, for various fixes described at
+  http://dev.mysql.com/doc/refman/5.1/en/news-5-1-48.html
+
 * Fri Jun  4 2010 Tom Lane <tgl@redhat.com> 5.1.47-2
 - Add back "partition" storage engine
 Resolves: #597390
diff --git a/sources b/sources
index ab3cff9..b58ebf0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-db89a1bb8b7e7002a3653d144d5abbdc  mysql-5.1.47-nodocs.tar.gz
+f7bda6d4c8a2acad2e051089bfcc2352  mysql-5.1.48-nodocs.tar.gz