2 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/fiber/new_spec.rb b/spec/ruby/core/fiber/new_spec.rb
index c2175cb612..b43c1386be 100644
--- a/spec/ruby/core/fiber/new_spec.rb
+++ b/spec/ruby/core/fiber/new_spec.rb
@@ -16,7 +16,7 @@ describe "Fiber.new" do
   end
 
   it "raises an ArgumentError if called without a block" do
-    lambda { Fiber.new }.should raise_error(ArgumentError)
+    -> { Fiber.new }.should raise_error(ArgumentError)
   end
 
   it "does not invoke the block" do
diff --git a/spec/ruby/core/fiber/yield_spec.rb b/spec/ruby/core/fiber/yield_spec.rb
index 4e241d5921..b010912c87 100644
--- a/spec/ruby/core/fiber/yield_spec.rb
+++ b/spec/ruby/core/fiber/yield_spec.rb
@@ -44,6 +44,6 @@ describe "Fiber.yield" do
   end
 
   it "raises a FiberError if called from the root Fiber" do
-    lambda{ Fiber.yield }.should raise_error(FiberError)
+    ->{ Fiber.yield }.should raise_error(FiberError)
   end
 end