diff --git a/Gemfile.lock b/Gemfile.lock
index a9044d8..a5887aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -141,7 +141,7 @@ GEM
     marcel (1.0.4)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.23.0)
+    minitest (5.23.1)
     msgpack (1.7.2)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)