diff --git a/Gemfile.lock b/Gemfile.lock
index dbf29d8d..adf60bd2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -331,7 +331,7 @@ GEM
     mini_mime (1.1.5)
     mini_racer (0.12.0)
       libv8-node (~> 21.7.2.0)
-    minitest (5.23.0)
+    minitest (5.23.1)
     msgpack (1.7.2)
     mutex_m (0.2.0)
     net-imap (0.4.11)