diff --git a/Gemfile.lock b/Gemfile.lock
index 04db863..ebf7926 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
     mini_mime (1.1.5)
     multi_test (1.1.0)
     parallel (1.23.0)
-    parallel_tests (4.2.1)
+    parallel_tests (4.2.2)
       parallel
     parser (3.2.2.3)
       ast (~> 2.4.1)