Update performance profiler to work with latest ruby-prof

Thanks to @carlosantoniodasilva

1 files changed, 1 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index a11091f075..0fc7fe3036 100644
--- a/Gemfile
+++ b/Gemfile
@@ -47,7 +47,7 @@ instance_eval File.read '.Gemfile' if File.exists? '.Gemfile'
 
 platforms :mri do
   group :test do
-    gem 'ruby-prof', '0.10.8' if RUBY_VERSION < '1.9.3'
+    gem 'ruby-prof', '~> 0.11.2' if RUBY_VERSION < '1.9.3'
   end
 end