diff --git a/ruby-1.9.3-mkmf-verbose.patch b/ruby-1.9.3-mkmf-verbose.patch
index 54039e0..825d066 100644
--- a/ruby-1.9.3-mkmf-verbose.patch
+++ b/ruby-1.9.3-mkmf-verbose.patch
@@ -11,7 +11,7 @@ diff --git a/lib/mkmf.rb b/lib/mkmf.rb
 index 682eb46..e6b1445 100644
 --- a/lib/mkmf.rb
 +++ b/lib/mkmf.rb
-@@ -1892,7 +1892,7 @@ SRC
+@@ -1891,7 +1891,7 @@ def configuration(srcdir)
  SHELL = /bin/sh
  
  # V=0 quiet, V=1 verbose.  other values don't work.
diff --git a/ruby-2.1.0-Allow-to-specify-additional-preludes-by-configuratio.patch b/ruby-2.1.0-Allow-to-specify-additional-preludes-by-configuratio.patch
index 54e5e3f..07364b4 100644
--- a/ruby-2.1.0-Allow-to-specify-additional-preludes-by-configuratio.patch
+++ b/ruby-2.1.0-Allow-to-specify-additional-preludes-by-configuratio.patch
@@ -39,7 +39,7 @@ diff --git a/configure.in b/configure.in
 index 0e371e2..d4f1dcb 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -4268,6 +4268,13 @@ AC_SUBST(rubyarchhdrdir)dnl
+@@ -4319,6 +4319,13 @@ AC_SUBST(rubyarchhdrdir)dnl
  AC_SUBST(sitearchhdrdir)dnl
  AC_SUBST(vendorarchhdrdir)dnl
  
diff --git a/ruby-2.1.0-Enable-configuration-of-archlibdir.patch b/ruby-2.1.0-Enable-configuration-of-archlibdir.patch
index 541ce9d..a8f80d7 100644
--- a/ruby-2.1.0-Enable-configuration-of-archlibdir.patch
+++ b/ruby-2.1.0-Enable-configuration-of-archlibdir.patch
@@ -11,7 +11,7 @@ diff --git a/configure.in b/configure.in
 index 37d9a62..553d4d0 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -3512,6 +3512,11 @@ if test ${multiarch+set}; then
+@@ -3577,6 +3577,11 @@ if test ${multiarch+set}; then
  fi
  
  archlibdir='${libdir}/${arch}'
diff --git a/ruby-2.1.0-Prevent-duplicated-paths-when-empty-version-string-i.patch b/ruby-2.1.0-Prevent-duplicated-paths-when-empty-version-string-i.patch
index c73dd77..5e89413 100644
--- a/ruby-2.1.0-Prevent-duplicated-paths-when-empty-version-string-i.patch
+++ b/ruby-2.1.0-Prevent-duplicated-paths-when-empty-version-string-i.patch
@@ -14,7 +14,7 @@ diff --git a/configure.in b/configure.in
 index db37cd6..ce8d149 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -4122,7 +4122,8 @@ AS_CASE(["$ruby_version_dir_name"],
+@@ -4173,7 +4173,8 @@ AS_CASE(["$ruby_version_dir_name"],
  ruby_version_dir=/'${ruby_version_dir_name}'
  
  if test -z "${ruby_version_dir_name}"; then
@@ -67,7 +67,7 @@ diff --git a/tool/mkconfig.rb b/tool/mkconfig.rb
 index 07076d4..35e6c3c 100755
 --- a/tool/mkconfig.rb
 +++ b/tool/mkconfig.rb
-@@ -117,7 +117,7 @@ File.foreach "config.status" do |line|
+@@ -122,7 +122,7 @@ def config.write(arg)
      val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump
      case name
      when /^prefix$/
diff --git a/ruby-2.1.0-always-use-i386.patch b/ruby-2.1.0-always-use-i386.patch
index cc90f30..0aef2a5 100644
--- a/ruby-2.1.0-always-use-i386.patch
+++ b/ruby-2.1.0-always-use-i386.patch
@@ -11,7 +11,7 @@ diff --git a/configure.in b/configure.in
 index 553d4d0..03a4152 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -4186,6 +4186,8 @@ AC_SUBST(vendorarchdir)dnl
+@@ -4237,6 +4237,8 @@ AC_SUBST(vendorarchdir)dnl
  AC_SUBST(CONFIGURE, "`echo $0 | sed 's|.*/||'`")dnl
  AC_SUBST(configure_args, "`echo "${ac_configure_args}" | sed 's/\\$/$$/g'`")dnl
  
diff --git a/ruby-2.1.0-custom-rubygems-location.patch b/ruby-2.1.0-custom-rubygems-location.patch
index e777462..feccc5f 100644
--- a/ruby-2.1.0-custom-rubygems-location.patch
+++ b/ruby-2.1.0-custom-rubygems-location.patch
@@ -15,7 +15,7 @@ diff --git a/configure.in b/configure.in
 index 03a4152..0e371e2 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -4158,6 +4158,10 @@ AC_ARG_WITH(vendorarchdir,
+@@ -4209,6 +4209,10 @@ AC_ARG_WITH(vendorarchdir,
              [vendorarchdir=$withval],
              [vendorarchdir=${multiarch+'${rubysitearchprefix}/vendor_ruby'${ruby_version_dir}}${multiarch-'${vendorlibdir}/${sitearch}'}])
  
@@ -26,7 +26,7 @@ index 03a4152..0e371e2 100644
  if test "${LOAD_RELATIVE+set}"; then
      AC_DEFINE_UNQUOTED(LOAD_RELATIVE, $LOAD_RELATIVE)
      RUBY_EXEC_PREFIX=''
-@@ -4182,6 +4186,7 @@ AC_SUBST(sitearchdir)dnl
+@@ -4233,6 +4237,7 @@ AC_SUBST(sitearchdir)dnl
  AC_SUBST(vendordir)dnl
  AC_SUBST(vendorlibdir)dnl
  AC_SUBST(vendorarchdir)dnl
@@ -67,7 +67,7 @@ diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
 index b47b6e1..0b99408 100755
 --- a/tool/rbinstall.rb
 +++ b/tool/rbinstall.rb
-@@ -328,6 +328,7 @@ sitelibdir = CONFIG["sitelibdir"]
+@@ -328,6 +328,7 @@ def CONFIG.[](name, mandatory = false)
  sitearchlibdir = CONFIG["sitearchdir"]
  vendorlibdir = CONFIG["vendorlibdir"]
  vendorarchlibdir = CONFIG["vendorarchdir"]
@@ -75,7 +75,7 @@ index b47b6e1..0b99408 100755
  mandir = CONFIG["mandir", true]
  docdir = CONFIG["docdir", true]
  configure_args = Shellwords.shellwords(CONFIG["configure_args"])
-@@ -506,7 +507,15 @@ end
+@@ -506,7 +507,15 @@ def CONFIG.[](name, mandatory = false)
  install?(:local, :comm, :lib) do
    prepare "library scripts", rubylibdir
    noinst = %w[README* *.txt *.rdoc *.gemspec]
diff --git a/ruby-2.3.0-ruby_version.patch b/ruby-2.3.0-ruby_version.patch
index b53b7b4..7e0a6c6 100644
--- a/ruby-2.3.0-ruby_version.patch
+++ b/ruby-2.3.0-ruby_version.patch
@@ -20,7 +20,7 @@ diff --git a/configure.in b/configure.in
 index db37cd6..6e73fae 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -4071,9 +4071,6 @@ AS_CASE(["$target_os"],
+@@ -4122,9 +4122,6 @@ AS_CASE(["$target_os"],
      rubyw_install_name='$(RUBYW_INSTALL_NAME)'
      ])
  
@@ -30,7 +30,7 @@ index db37cd6..6e73fae 100644
  rubyarchprefix=${multiarch+'${archlibdir}/${RUBY_BASE_NAME}'}${multiarch-'${rubylibprefix}/${arch}'}
  AC_ARG_WITH(rubyarchprefix,
  	    AS_HELP_STRING([--with-rubyarchprefix=DIR],
-@@ -4096,58 +4093,64 @@ AC_ARG_WITH(ridir,
+@@ -4147,58 +4144,64 @@ AC_ARG_WITH(ridir,
  AC_SUBST(ridir)
  AC_SUBST(RI_BASE_NAME)
  
@@ -124,7 +124,7 @@ index db37cd6..6e73fae 100644
  
  if test "${LOAD_RELATIVE+set}"; then
      AC_DEFINE_UNQUOTED(LOAD_RELATIVE, $LOAD_RELATIVE)
-@@ -4164,6 +4167,7 @@ AC_SUBST(sitearchincludedir)dnl
+@@ -4215,6 +4218,7 @@ AC_SUBST(sitearchincludedir)dnl
  AC_SUBST(arch)dnl
  AC_SUBST(sitearch)dnl
  AC_SUBST(ruby_version)dnl
@@ -175,7 +175,7 @@ diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
 index d4c110e..d39c9a6 100755
 --- a/tool/rbinstall.rb
 +++ b/tool/rbinstall.rb
-@@ -406,7 +406,7 @@ end
+@@ -406,7 +406,7 @@ def CONFIG.[](name, mandatory = false)
  
  install?(:doc, :rdoc) do
    if $rdocdir
@@ -202,7 +202,7 @@ diff --git a/lib/rubygems/defaults.rb b/lib/rubygems/defaults.rb
 index 55ca080..75eea2b 100644
 --- a/lib/rubygems/defaults.rb
 +++ b/lib/rubygems/defaults.rb
-@@ -31,20 +31,20 @@ module Gem
+@@ -31,20 +31,20 @@ def self.default_dir
               [
                 File.dirname(RbConfig::CONFIG['sitedir']),
                 'Gems',
@@ -226,7 +226,7 @@ index 55ca080..75eea2b 100644
               ]
             end
  
-@@ -74,7 +74,8 @@ module Gem
+@@ -74,7 +74,8 @@ def self.default_rubygems_dirs
  
    def self.user_dir
      parts = [Gem.user_home, '.gem', ruby_engine]
@@ -236,7 +236,7 @@ index 55ca080..75eea2b 100644
      File.join parts
    end
  
-@@ -171,7 +172,7 @@ module Gem
+@@ -171,7 +172,7 @@ def self.vendor_dir # :nodoc:
      return nil unless RbConfig::CONFIG.key? 'vendordir'
  
      File.join RbConfig::CONFIG['vendordir'], 'gems',
@@ -249,7 +249,7 @@ diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
 index 0428bea..b6e090e 100644
 --- a/test/rubygems/test_gem.rb
 +++ b/test/rubygems/test_gem.rb
-@@ -962,7 +962,8 @@ class TestGem < Gem::TestCase
+@@ -962,7 +962,8 @@ def test_self_use_paths
  
    def test_self_user_dir
      parts = [@userhome, '.gem', Gem.ruby_engine]
@@ -259,7 +259,7 @@ index 0428bea..b6e090e 100644
  
      assert_equal File.join(parts), Gem.user_dir
    end
-@@ -1089,7 +1090,7 @@ class TestGem < Gem::TestCase
+@@ -1089,7 +1090,7 @@ def test_self_user_home_user_drive_and_path
    def test_self_vendor_dir
      expected =
        File.join RbConfig::CONFIG['vendordir'], 'gems',
@@ -286,7 +286,7 @@ diff --git a/configure.in b/configure.in
 index 6e73fae..c842725 100644
 --- a/configure.in
 +++ b/configure.in
-@@ -270,7 +270,7 @@ RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
+@@ -274,7 +274,7 @@ RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
  RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
  AC_SUBST(RUBY_BASE_NAME)
  AC_SUBST(RUBYW_BASE_NAME)
diff --git a/ruby.spec b/ruby.spec
index 2a08920..7f1b17f 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -7,10 +7,10 @@
 %global ruby_release %{ruby_version}
 
 # Specify the named version. It has precedense to revision.
-%global milestone preview1
+#%%global milestone preview1
 
 # Keep the revision enabled for pre-releases from SVN.
-%global revision 52539
+%global revision 52759
 
 %global ruby_archive %{name}-%{ruby_version}
 
@@ -30,7 +30,7 @@
 
 # Bundled libraries versions
 %global rubygems_version 2.5.0
-%global molinillo_version 0.3.0
+%global molinillo_version 0.4.0
 
 # TODO: The IRB has strange versioning. Keep the Ruby's versioning ATM.
 # http://redmine.ruby-lang.org/issues/5313
@@ -40,9 +40,9 @@
 %global did_you_mean_version 1.0.0.beta3
 %global io_console_version 0.4.3
 %global json_version 1.8.2
-%global minitest_version 5.8.2
+%global minitest_version 5.8.3
 %global power_assert_version 0.2.6
-%global psych_version 2.0.14
+%global psych_version 2.0.15
 %global rake_version 10.4.2
 %global rdoc_version 4.2.0
 %global net_telnet_version 0.1.1
@@ -924,8 +924,8 @@ make check TESTS="-v $DISABLE_TESTS"
 %{ruby_libdir}/tkextlib
 
 %changelog
-* Thu Nov 12 2015 Vít Ondruch <vondruch@redhat.com> - 2.3.0-0.6.preview1
-- Upgrade to Ruby 2.3.0 preview1 (r52539).
+* Thu Nov 26 2015 Vít Ondruch <vondruch@redhat.com> - 2.3.0-0.6.r52759
+- Upgrade to Ruby 2.3.0 preview1 (r52759).
 - Initialize all load paths in operating_system.rb.
 - Fix directory ownership.
 - Fix the git BR following the git package split.