--- a/Gemfile
+++ b/Gemfile
@@ -356,7 +356,7 @@
 gem 'email_reply_trimmer', '~> 0.1'
 gem 'html2text'
 
-gem 'ruby-prof', '~> 0.16.2'
+gem 'ruby-prof', '~> 0.16'
 
 # OAuth
 gem 'oauth2', '~> 1.4'