diff --git a/Gemfile.lock b/Gemfile.lock
index d304163a9..784571bc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,8 +23,8 @@ GEM
     json (2.6.3)
     moneta (1.0.0)
     multi_json (1.15.0)
-    parallel (1.22.1)
-    parallel_tests (4.0.0)
+    parallel (1.23.0)
+    parallel_tests (4.3.0)
       parallel
     platform-api (3.5.0)
       heroics (~> 0.1.1)