diff --git a/ruby.spec b/ruby.spec
index 22f7e84..c7198db 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -22,7 +22,7 @@
 %endif
 
 
-%global release 168
+%global release 169
 %{!?release_string:%define release_string %{?development_release:0.}%{release}%{?development_release:.%{development_release}}%{?dist}}
 
 # The RubyGems library has to stay out of Ruby directory tree, since the
@@ -991,6 +991,9 @@ DISABLE_TESTS="$DISABLE_TESTS -n !/TestReadline#test_interrupt_in_other_thread/"
 # other components are fixed.
 # https://bugzilla.redhat.com/show_bug.cgi?id=2040380
 mv test/fiddle/test_import.rb{,.disable}
+mv test/fiddle/test_closure.rb{,.disable}
+DISABLE_TESTS="$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
@@ -1546,6 +1549,10 @@ mv test/fiddle/test_import.rb{,.disable}
 
 
 %changelog
+* Fri Sep 02 2022 Jarek Prokop <jprokop@redhat.com> - 3.1.2-169
+- Disable fiddle tests that use FFI closures.
+  Related: rhbz#2040380
+
 * Mon Aug 29 2022 Jun Aruga <jaruga@redhat.com> - 3.1.2-168
 - Make RDoc soft dependnecy in IRB.
   Resolves: rhbz#2119964