diff --git a/Gemfile.lock b/Gemfile.lock
index cd3e778..1912752 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     ansi (1.5.0)
     ast (2.4.2)
     builder (3.3.0)
-    minitest (5.17.0)
+    minitest (5.25.1)
     minitest-reporters (1.7.1)
       ansi
       builder