Gemfile in tengine_resource-0.5.14 vs Gemfile in tengine_resource-0.5.15

@@ -4,10 +4,10 @@
 # Add dependencies required to use your gem here.
 # Example:
 #   gem "activesupport", ">= 2.3.5"
 
 gem "tengine_support", "~> 0.3.27"
-gem "tengine_core", "~> 0.5.23"
+gem "tengine_core", "~> 0.5.39"
 
 gem "wakame-adapters-tengine", "~> 0.0.0"
 
 # http://rightaws.rubyforge.org/
 # http://github.com/rightscale/right_aws