1 files changed, 13 insertions, 10 deletions
diff --git a/spec/ruby/library/matrix/vector/eql_spec.rb b/spec/ruby/library/matrix/vector/eql_spec.rb
index eb2451b550..fa086bd33a 100644
--- a/spec/ruby/library/matrix/vector/eql_spec.rb
+++ b/spec/ruby/library/matrix/vector/eql_spec.rb
@@ -1,16 +1,19 @@
 require_relative '../../../spec_helper'
-require 'matrix'
 
-describe "Vector#eql?" do
-  before do
-    @vector = Vector[1, 2, 3, 4, 5]
-  end
+ruby_version_is ""..."3.1" do
+  require 'matrix'
 
-  it "returns true for self" do
-    @vector.eql?(@vector).should be_true
-  end
+  describe "Vector#eql?" do
+    before do
+      @vector = Vector[1, 2, 3, 4, 5]
+    end
+
+    it "returns true for self" do
+      @vector.eql?(@vector).should be_true
+    end
 
-  it "returns false when there are a pair corresponding elements which are not equal in the sense of Kernel#eql?" do
-    @vector.eql?(Vector[1, 2, 3, 4, 5.0]).should be_false
+    it "returns false when there are a pair corresponding elements which are not equal in the sense of Kernel#eql?" do
+      @vector.eql?(Vector[1, 2, 3, 4, 5.0]).should be_false
+    end
   end
 end