1 files changed, 8 insertions, 2 deletions
diff --git a/spec/ruby/core/kernel/then_spec.rb b/spec/ruby/core/kernel/then_spec.rb
index fa896b52b1..bda5a69662 100644
--- a/spec/ruby/core/kernel/then_spec.rb
+++ b/spec/ruby/core/kernel/then_spec.rb
@@ -1,8 +1,14 @@
 require_relative '../../spec_helper'
 require_relative 'shared/then'
 
-ruby_version_is "2.6" do
-  describe "Kernel#then" do
+describe "Kernel#then" do
+  ruby_version_is ""..."3.4" do
     it_behaves_like :kernel_then, :then
   end
+
+  ruby_version_is "3.4" do
+    it "is an alias of Kernel#yield_self" do
+      Kernel.instance_method(:then).should == Kernel.instance_method(:yield_self)
+    end
+  end
 end