diff --git a/ruby.spec b/ruby.spec
index a018f61..cd76a3d 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -10,7 +10,7 @@
 #%%global milestone preview2
 
 # Keep the revision enabled for pre-releases from GIT.
-%global revision e029375a7d
+%global revision 35edc14ee1
 
 %global ruby_archive %{name}-%{ruby_version}
 
@@ -110,7 +110,7 @@
 # Gemified default gems.
 %global bigdecimal_version 3.1.5
 %global io_console_version 0.6.0
-%global irb_version 1.8.1
+%global irb_version 1.8.2
 %global json_version 2.6.3
 %global psych_version 5.1.1
 %global rdoc_version 6.5.0
@@ -1045,6 +1045,12 @@ MSPECOPTS="$MSPECOPTS -P 'File.expand_path expands ~ENV..USER..* to.* the user.s
 # https://bugs.ruby-lang.org/issues/19921
 DISABLE_TESTS="$DISABLE_TESTS -n !/TestYJIT#test_bug_19316/"
 
+%ifarch ppc64le
+# Test failure, the display order of hash seems to differ on ppc64le.
+# https://bugs.ruby-lang.org/issues/19927
+DISABLE_TESTS="$DISABLE_TESTS -n !/TestCoverage#test_coverage_suspendable/"
+%endif
+
 # Give an option to increase the timeout in tests.
 # https://bugs.ruby-lang.org/issues/16921
 %{?test_timeout_scale:RUBY_TEST_TIMEOUT_SCALE="%{test_timeout_scale}"} \
@@ -1620,7 +1626,7 @@ make -C %{_vpath_builddir} runruby TESTRUN_SCRIPT=" \
 
 %changelog
 * Thu Nov 09 2023 Vít Ondruch <vondruch@redhat.com> - 3.3.0-184
-- Upgrade to Ruby 3.3.0 (e029375a7d).
+- Upgrade to Ruby 3.3.0 (35edc14ee1).
 
 * Thu Nov 09 2023 Jun Aruga <jaruga@redhat.com> - 3.2.2-183
 - ssl: use ffdhe2048 from RFC 7919 as the default DH group parameters