diff --git a/Gemfile.lock b/Gemfile.lock
index 07f623ae586..7526f46c739 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -359,7 +359,7 @@ GEM
     ostruct (0.6.1)
     palm_civet (1.1.0)
     parallel (1.27.0)
-    parallel_tests (5.2.0)
+    parallel_tests (5.3.0)
       parallel
     parser (3.3.8.0)
       ast (~> 2.4.1)