1 files changed, 9 insertions, 6 deletions
diff --git a/spec/ruby/library/set/sortedset/empty_spec.rb b/spec/ruby/library/set/sortedset/empty_spec.rb
index deb3b567fb..2e52c3e81a 100644
--- a/spec/ruby/library/set/sortedset/empty_spec.rb
+++ b/spec/ruby/library/set/sortedset/empty_spec.rb
@@ -1,10 +1,13 @@
 require_relative '../../../spec_helper'
-require 'set'
 
-describe "SortedSet#empty?" do
-  it "returns true if self is empty" do
-    SortedSet[].empty?.should be_true
-    SortedSet[1].empty?.should be_false
-    SortedSet[1,2,3].empty?.should be_false
+ruby_version_is ""..."3.0" do
+  require 'set'
+
+  describe "SortedSet#empty?" do
+    it "returns true if self is empty" do
+      SortedSet[].empty?.should be_true
+      SortedSet[1].empty?.should be_false
+      SortedSet[1,2,3].empty?.should be_false
+    end
   end
 end