diff --git a/Gemfile.lock b/Gemfile.lock
index 3e99e75..1778533 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     coderay (1.1.3)
     diff-lcs (1.5.1)
     fiber-storage (1.0.0)
-    graphql (2.4.3)
+    graphql (2.4.4)
       base64
       fiber-storage
     json (2.8.2)
@@ -25,7 +25,7 @@ GEM
     parser (3.3.6.0)
       ast (~> 2.4.1)
       racc
-    pry (0.14.2)
+    pry (0.15.0)
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.8.1)
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2dcb647..1693314 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -3,6 +3,7 @@
 require 'rack-graphql'
 require 'rack/test'
 require 'ap'
+require 'ostruct'
 
 RSpec.configure do |config|
   config.disable_monkey_patching!