diff --git a/Gemfile.lock b/Gemfile.lock
index 429caba5..1e2c25e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
     matrix (0.4.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.6)
-    minitest (5.23.0)
+    minitest (5.23.1)
     minitest-ci (3.4.0)
       minitest (>= 5.0.6)
     mono_logger (1.1.2)