diff --git a/spec/tester_mongo/Gemfile b/spec/tester_mongo/Gemfile
index 46bcc3d5..5f6b3b80 100644
--- a/spec/tester_mongo/Gemfile
+++ b/spec/tester_mongo/Gemfile
@@ -15,7 +15,7 @@ gem "mongoid"
 gem "puma", "~> 6.4"
 
 # Use graphql gem for handle API
-gem 'graphql', "~> 2.1.5"
+gem 'graphql', "~> 2.1.6"
 
 gem 'graphoid', path: "../../", require: 'graphoid/graphoid'
 
diff --git a/spec/tester_mongo/Gemfile.lock b/spec/tester_mongo/Gemfile.lock
index edd8397e..f13e0942 100644
--- a/spec/tester_mongo/Gemfile.lock
+++ b/spec/tester_mongo/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     graphiql-rails (1.9.0)
       railties
       sprockets-rails
-    graphql (2.1.5)
+    graphql (2.1.6)
       racc (~> 1.4)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
@@ -246,7 +246,7 @@ DEPENDENCIES
   debug
   graphiql-rails
   graphoid!
-  graphql (~> 2.1.5)
+  graphql (~> 2.1.6)
   mongoid
   pry-byebug
   puma (~> 6.4)