diff --git a/Gemfile b/Gemfile
index edf8185e7c..950bc59bbf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -123,7 +123,7 @@ group :test do
   gem 'rspec-sidekiq', '~> 3.1'
   gem 'simplecov', '~> 0.19', require: false
   gem 'webmock', '~> 3.10'
-  gem 'parallel_tests', '~> 3.3'
+  gem 'parallel_tests', '~> 3.4'
   gem 'rspec_junit_formatter', '~> 0.4'
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 93ed505ae4..bebdb15834 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -392,7 +392,7 @@ GEM
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
     parallel (1.20.0)
-    parallel_tests (3.3.0)
+    parallel_tests (3.4.0)
       parallel
     parser (2.7.2.0)
       ast (~> 2.4.1)
@@ -746,7 +746,7 @@ DEPENDENCIES
   paperclip (~> 6.0)
   paperclip-av-transcoder (~> 0.6)
   parallel (~> 1.20)
-  parallel_tests (~> 3.3)
+  parallel_tests (~> 3.4)
   parslet
   pg (~> 1.2)
   pghero (~> 2.7)