diff --git a/Gemfile.lock b/Gemfile.lock
index 266e827..69a0d5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
-    minitest (5.9.0)
+    minitest (5.9.1)
     multi_json (1.12.1)
     multi_test (0.1.2)
     mysql2 (0.4.4)