diff --git a/Gemfile.lock b/Gemfile.lock
index 2570d92..a86d3df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     ansi (1.5.0)
     ast (2.4.2)
     builder (3.2.4)
-    minitest (5.17.0)
+    minitest (5.23.0)
     minitest-reporters (1.5.0)
       ansi
       builder