1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/core/string/upto_spec.rb b/spec/ruby/core/string/upto_spec.rb
index 3748a6fdeb..b988613a80 100644
--- a/spec/ruby/core/string/upto_spec.rb
+++ b/spec/ruby/core/string/upto_spec.rb
@@ -53,13 +53,13 @@ describe "String#upto" do
   end
 
   it "raises a TypeError if other can't be converted to a string" do
-    lambda { "abc".upto(123) { }      }.should raise_error(TypeError)
-    lambda { "abc".upto(mock('x')){ } }.should raise_error(TypeError)
+    -> { "abc".upto(123) { }      }.should raise_error(TypeError)
+    -> { "abc".upto(mock('x')){ } }.should raise_error(TypeError)
   end
 
 
   it "does not work with symbols" do
-    lambda { "a".upto(:c).to_a }.should raise_error(TypeError)
+    -> { "a".upto(:c).to_a }.should raise_error(TypeError)
   end
 
   it "returns non-alphabetic characters in the ASCII range for single letters" do