diff --git a/Gemfile.lock b/Gemfile.lock
index 50c1def46..31fb5b838 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     mini_mime (1.1.5)
-    minitest (5.23.1)
+    minitest (5.24.0)
     multi_xml (0.6.0)
     rexml (3.2.8)
       strscan (>= 3.0.9)