diff --git a/gemfiles/graphql_20.gemfile b/gemfiles/graphql_20.gemfile
index 98cd4b6d..9998b394 100644
--- a/gemfiles/graphql_20.gemfile
+++ b/gemfiles/graphql_20.gemfile
@@ -11,5 +11,6 @@ gem "puma"
 gem "rack-test"
 gem "simplecov", "~> 0.21.2"
 gem "graphql", ">= 2.0.21", "< 3.0"
+gem "fiber-storage"
 
 gemspec path: "../"