diff --git a/builder/Gemfile.lock b/builder/Gemfile.lock
index 38cb4306c40..6ce1bf19079 100644
--- a/builder/Gemfile.lock
+++ b/builder/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
       benchmark
       logger
     mini_mime (1.1.5)
-    minitest (5.25.4)
+    minitest (5.25.5)
     msgpack (1.8.0)
     mutex_m (0.3.0)
     net-imap (0.5.6)