diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index a8ac02b905..9b7ec4e30a 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.1115)
     mini_portile2 (2.6.1)
-    minitest (5.14.4)
+    minitest (5.15.0)
     msgpack (1.4.2)
     mustache (1.1.1)
     net-http-digest_auth (1.4.1)