diff --git a/Gemfile b/Gemfile
index d4a376fd..b804d1ca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gemspec
 gem "rake"
 gem "rspec", "2.14.1"
 gem "binding_of_caller", platforms: :ruby
-gem "pry"
+gem "pry", "0.9.12"
 gem "simplecov"
 gem "yard"
 gem "kramdown"