1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/core/math/acos_spec.rb b/spec/ruby/core/math/acos_spec.rb
index 0f104b8efc..8b321ab29b 100644
--- a/spec/ruby/core/math/acos_spec.rb
+++ b/spec/ruby/core/math/acos_spec.rb
@@ -21,15 +21,15 @@ describe "Math.acos" do
   end
 
   it "raises an Math::DomainError if the argument is greater than 1.0" do
-    lambda { Math.acos(1.0001) }.should raise_error(Math::DomainError)
+    -> { Math.acos(1.0001) }.should raise_error(Math::DomainError)
   end
 
   it "raises an Math::DomainError if the argument is less than -1.0" do
-    lambda { Math.acos(-1.0001) }.should raise_error(Math::DomainError)
+    -> { Math.acos(-1.0001) }.should raise_error(Math::DomainError)
   end
 
   it "raises a TypeError if the string argument cannot be coerced with Float()" do
-    lambda { Math.acos("test") }.should raise_error(TypeError)
+    -> { Math.acos("test") }.should raise_error(TypeError)
   end
 
   it "returns NaN given NaN" do
@@ -37,11 +37,11 @@ describe "Math.acos" do
   end
 
   it "raises a TypeError if the argument cannot be coerced with Float()" do
-    lambda { Math.acos(MathSpecs::UserClass.new) }.should raise_error(TypeError)
+    -> { Math.acos(MathSpecs::UserClass.new) }.should raise_error(TypeError)
   end
 
   it "raises a TypeError if the argument is nil" do
-    lambda { Math.acos(nil) }.should raise_error(TypeError)
+    -> { Math.acos(nil) }.should raise_error(TypeError)
   end
 
   it "accepts any argument that can be coerced with Float()" do