diff --git a/Gemfile.lock b/Gemfile.lock
index bbd176c..3867c6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
       rake (>= 0.9.2.2)
     method_source (1.1.0)
     mini_portile2 (2.8.6)
-    minitest (5.22.3)
+    minitest (5.23.0)
     mocha (2.2.0)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)