diff --git a/Gemfile.lock b/Gemfile.lock
index 30cc0ca32..7b440db33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     mini_portile2 (2.4.0)
     mini_racer (0.2.6)
       libv8 (>= 6.9.411)
-    minitest (5.11.3)
+    minitest (5.12.2)
     minitest-reporters (1.3.8)
       ansi
       builder