diff --git a/Gemfile b/Gemfile
index 96fe46fbd..fd80488b5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -59,7 +59,7 @@ gem 'git', '~> 1.5'
 gem 'graphql', '~> 1.9', '>= 1.9.4'
 gem 'graphql-errors', '~> 0.3.0'
 gem 'graphql-batch', '~> 0.4.0'
-# gem 'batch-loader', '~> 1.4', '>= 1.4.1'
+gem 'batch-loader', '~> 1.4', '>= 1.4.1'
 gem 'graphql-cache', '~> 0.6.0', git: "https://github.com/stackshareio/graphql-cache"
 # gem 'ddtrace', '~> 0.23.3'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 49ae8639a..f8439d389 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,25 +64,26 @@ GEM
     audited (4.8.0)
       activerecord (>= 4.0, < 5.3)
     aws-eventstream (1.0.3)
-    aws-partitions (1.175.0)
-    aws-sdk-core (3.55.0)
+    aws-partitions (1.177.0)
+    aws-sdk-core (3.56.0)
       aws-eventstream (~> 1.0, >= 1.0.2)
       aws-partitions (~> 1.0)
       aws-sigv4 (~> 1.1)
       jmespath (~> 1.0)
-    aws-sdk-kms (1.21.0)
-      aws-sdk-core (~> 3, >= 3.53.0)
+    aws-sdk-kms (1.22.0)
+      aws-sdk-core (~> 3, >= 3.56.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-s3 (1.42.0)
-      aws-sdk-core (~> 3, >= 3.53.0)
+    aws-sdk-s3 (1.43.0)
+      aws-sdk-core (~> 3, >= 3.56.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.1)
-    aws-sdk-sqs (1.16.0)
-      aws-sdk-core (~> 3, >= 3.53.0)
+    aws-sdk-sqs (1.17.0)
+      aws-sdk-core (~> 3, >= 3.56.0)
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.1.0)
       aws-eventstream (~> 1.0, >= 1.0.2)
     base32-url (0.5)
+    batch-loader (1.4.1)
     bcrypt (3.1.13)
     benchmark-perf (0.4.0)
     benchmark-trend (0.2.0)
@@ -181,7 +182,7 @@ GEM
     docopt (0.6.1)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.7.2)
+    dotenv (2.7.4)
     ebnf (1.1.3)
       rdf (~> 3.0)
       sxp (~> 1.0)
@@ -203,6 +204,7 @@ GEM
     elasticsearch-transport (6.8.0)
       faraday
       multi_json
+    equatable (0.6.0)
     equivalent-xml (0.6.0)
       nokogiri (>= 1.4.3)
     erubi (1.8.0)
@@ -213,8 +215,13 @@ GEM
     factory_bot_rails (4.11.1)
       factory_bot (~> 4.11.1)
       railties (>= 3.0.0)
-    faker (1.9.3)
+    faker (1.9.4)
       i18n (>= 0.7)
+      pastel (~> 0.7.2)
+      thor (~> 0.20.0)
+      tty-pager (~> 0.12.0)
+      tty-screen (~> 0.6.5)
+      tty-tree (~> 0.3.0)
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faraday-encoding (0.0.5)
@@ -256,7 +263,7 @@ GEM
       concurrent-ruby (~> 1.0)
     i18n_data (0.8.0)
     iso8601 (0.9.1)
-    jaro_winkler (1.5.2)
+    jaro_winkler (1.5.3)
     jmespath (1.4.0)
     json (1.8.6)
     json-ld (3.0.2)
@@ -328,7 +335,7 @@ GEM
     minitest (5.11.3)
     money (6.13.4)
       i18n (>= 0.6.4, <= 2)
-    msgpack (1.2.10)
+    msgpack (1.3.0)
     multi_json (1.13.1)
     multipart-post (2.1.1)
     mysql2 (0.4.10)
@@ -343,6 +350,9 @@ GEM
     parallel (1.17.0)
     parser (2.6.3.0)
       ast (~> 2.4.0)
+    pastel (0.7.3)
+      equatable (~> 0.6)
+      tty-color (~> 0.5)
     postrank-uri (1.0.24)
       addressable (>= 2.4.0)
       nokogiri (>= 1.8.0)
@@ -491,6 +501,11 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    strings (0.1.5)
+      strings-ansi (~> 0.1)
+      unicode-display_width (~> 1.5)
+      unicode_utils (~> 1.4)
+    strings-ansi (0.1.0)
     strip_attributes (1.9.0)
       activemodel (>= 3.0, < 7.0)
     sxp (1.0.2)
@@ -501,6 +516,14 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.9)
     trollop (2.9.9)
+    tty-color (0.5.0)
+    tty-pager (0.12.1)
+      strings (~> 0.1.4)
+      tty-screen (~> 0.6)
+      tty-which (~> 0.4)
+    tty-screen (0.6.5)
+    tty-tree (0.3.0)
+    tty-which (0.4.1)
     turnout (2.5.0)
       i18n (>= 0.7, < 2)
       rack (>= 1.3, < 3)
@@ -534,6 +557,7 @@ DEPENDENCIES
   aws-sdk-s3
   aws-sdk-sqs (~> 1.3)
   base32-url (~> 0.3)
+  batch-loader (~> 1.4, >= 1.4.1)
   bcrypt (~> 3.1.7)
   bergamasco (~> 0.3.10)
   better_errors
diff --git a/config/application.rb b/config/application.rb
index e1f005e56..0ddb2aea3 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -101,6 +101,9 @@ class Application < Rails::Application
     # compress responses with deflate or gzip
     config.middleware.use Rack::Deflater
 
+    # use batch loader
+    config.middleware.use BatchLoader::Middleware
+
     # set Active Job queueing backend
     if ENV['AWS_REGION']
       config.active_job.queue_adapter = :shoryuken