diff --git a/spec/ruby/library/date/strftime_spec.rb b/spec/ruby/library/date/strftime_spec.rb
index 9d298e42e6..8b1ebe061c 100644
--- a/spec/ruby/library/date/strftime_spec.rb
+++ b/spec/ruby/library/date/strftime_spec.rb
@@ -22,9 +22,18 @@ describe "Date#strftime" do
   end
 
   # %v is %e-%b-%Y for Date/DateTime
-  it "should be able to show the commercial week" do
-    @date.strftime("%v").should == " 9-Apr-2000"
-    @date.strftime("%v").should == @date.strftime('%e-%b-%Y')
+  ruby_version_is ""..."3.1" do
+    it "should be able to show the commercial week" do
+      @date.strftime("%v").should == " 9-Apr-2000"
+      @date.strftime("%v").should == @date.strftime('%e-%b-%Y')
+    end
+  end
+
+  ruby_version_is "3.1" do
+    it "should be able to show the commercial week" do
+      @date.strftime("%v").should == " 9-APR-2000"
+      @date.strftime("%v").should != @date.strftime('%e-%b-%Y')
+    end
   end
 
   # additional conversion specifiers only in Date/DateTime
diff --git a/spec/ruby/library/datetime/strftime_spec.rb b/spec/ruby/library/datetime/strftime_spec.rb
index cf07bbf9de..725bcafb0d 100644
--- a/spec/ruby/library/datetime/strftime_spec.rb
+++ b/spec/ruby/library/datetime/strftime_spec.rb
@@ -33,9 +33,18 @@ describe "DateTime#strftime" do
   end
 
   # %v is %e-%b-%Y for Date/DateTime
-  it "should be able to show the commercial week" do
-    @time.strftime("%v").should == " 3-Feb-2001"
-    @time.strftime("%v").should == @time.strftime('%e-%b-%Y')
+  ruby_version_is ""..."3.1" do
+    it "should be able to show the commercial week" do
+      @time.strftime("%v").should == " 3-Feb-2001"
+      @time.strftime("%v").should == @time.strftime('%e-%b-%Y')
+    end
+  end
+
+  ruby_version_is "3.1" do
+    it "should be able to show the commercial week" do
+      @time.strftime("%v").should == " 3-FEB-2001"
+      @time.strftime("%v").should != @time.strftime('%e-%b-%Y')
+    end
   end
 
   # additional conversion specifiers only in Date/DateTime