diff --git a/ruby.spec b/ruby.spec
index 2cfe5dd..b5638a6 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -1014,6 +1014,9 @@ DISABLE_TESTS="$DISABLE_TESTS                                         \
 # other components are fixed.
 # https://bugzilla.redhat.com/show_bug.cgi?id=2040380
 mv test/fiddle/test_import.rb{,.disable}
+mv test/fiddle/test_closure.rb{,.disable}
+DISABLE_TESTS="$DISABLE_TESTS -n !/Fiddle::TestFunc#test_qsort1/"
+DISABLE_TESTS="$DISABLE_TESTS -n !/Fiddle::TestFunction#test_argument_count/"
 
 # Give an option to increase the timeout in tests.
 # https://bugs.ruby-lang.org/issues/16921
@@ -1574,7 +1577,7 @@ make runruby TESTRUN_SCRIPT=" \
 
 
 %changelog
-* Mon Oct 09 2023 Jun Aruga <jaruga@redhat.com> - 3.1.2-142
+* Sun Dec 03 2023 Jun Aruga <jaruga@redhat.com> - 3.1.2-142
 - Bypass git submodule test failure on Git >= 2.38.1.
 - Fix tests with Europe/Amsterdam pre-1970 time on tzdata version 2022b.
 - Fix for tzdata-2022g.
@@ -1582,6 +1585,8 @@ make runruby TESTRUN_SCRIPT=" \
   Resolves: RHEL-5590
 - ssl: use ffdhe2048 from RFC 7919 as the default DH group parameters
   Related: RHEL-5590
+- Disable fiddle tests that use FFI closures.
+  Related: RHEL-5590
 
 * Fri Jun 03 2022 Jarek Prokop <jprokop@redhat.com> - 3.1.2-141
 - Upgrade to Ruby 3.1.2 by merging Fedora Rawhide branch (commit: b7b5473).