diff --git a/config/boot.rb b/config/boot.rb
index 712b0981..c3c5221e 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,4 +1,9 @@
 require 'rubygems'
+
+# Need to explicitly use syck for yaml
+require 'yaml'
+YAML::ENGINE.yamler = 'syck'
+
 # Set up gems listed in the Gemfile.
 if File.exist?(File.expand_path('../../Gemfile', __FILE__))
   require 'bundler'