diff --git a/Gemfile.lock b/Gemfile.lock
index cda46baec72..9211d0a838d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -309,7 +309,7 @@ GEM
       openssl (> 2.0)
     optimist (3.1.0)
     parallel (1.23.0)
-    parallel_tests (4.2.2)
+    parallel_tests (4.3.0)
       parallel
     parser (3.2.2.4)
       ast (~> 2.4.1)