diff --git a/Gemfile b/Gemfile
index bd3259c..41b91e9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -42,7 +42,7 @@ gem 'bcrypt'
 gem 'rack-cors'
 
 # https://github.com/rmosolgo/graphql-ruby
-gem "graphql", "~> 2.0"
+gem "graphql", "~> 2.1"
 
 # https://github.com/papodaca/graphql_playground-rails
 gem "graphql_playground-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index d0b24f4..c181e1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,7 +112,8 @@ GEM
     ffi (1.15.5)
     globalid (1.2.1)
       activesupport (>= 6.1)
-    graphql (2.0.24)
+    graphql (2.1.5)
+      racc (~> 1.4)
     graphql_playground-rails (2.1.0)
       rails (>= 5.1.0)
     i18n (1.14.1)
@@ -323,7 +324,7 @@ DEPENDENCIES
   database_cleaner-active_record
   devise
   factory_bot_rails
-  graphql (~> 2.0)
+  graphql (~> 2.1)
   graphql_playground-rails
   jbuilder (~> 2.11)
   jwt