diff --git a/Gemfile.lock b/Gemfile.lock
index 8847cbdfac7..ed31dc101b2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
     mini_sql (1.1.3)
     mini_suffix (0.3.3)
       ffi (~> 1.9)
-    minitest (5.14.4)
+    minitest (5.15.0)
     mocha (1.13.0)
     mock_redis (0.29.0)
       ruby2_keywords