1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/core/kernel/dup_spec.rb b/spec/ruby/core/kernel/dup_spec.rb
index ce81f7018a..fe0a269d69 100644
--- a/spec/ruby/core/kernel/dup_spec.rb
+++ b/spec/ruby/core/kernel/dup_spec.rb
@@ -44,7 +44,7 @@ describe "Kernel#dup" do
   it "does not copy singleton methods" do
     def @obj.special() :the_one end
     dup = @obj.dup
-    lambda { dup.special }.should raise_error(NameError)
+    -> { dup.special }.should raise_error(NameError)
   end
 
   it "does not copy modules included in the singleton class" do
@@ -53,7 +53,7 @@ describe "Kernel#dup" do
     end
 
     dup = @obj.dup
-    lambda { dup.repr }.should raise_error(NameError)
+    -> { dup.repr }.should raise_error(NameError)
   end
 
   it "does not copy constants defined in the singleton class" do
@@ -62,6 +62,6 @@ describe "Kernel#dup" do
     end
 
     dup = @obj.dup
-    lambda { class << dup; CLONE; end }.should raise_error(NameError)
+    -> { class << dup; CLONE; end }.should raise_error(NameError)
   end
 end