diff --git a/Gemfile.lock b/Gemfile.lock
index a5a709eb5..6a343341a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     moneta (1.0.0)
     multi_json (1.15.0)
     parallel (1.23.0)
-    parallel_tests (4.2.1)
+    parallel_tests (4.3.0)
       parallel
     platform-api (3.5.0)
       heroics (~> 0.1.1)