diff --git a/Gemfile.lock b/Gemfile.lock
index 3749128..89475f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.2.5)
     method_source (1.0.0)
-    minitest (5.16.3)
+    minitest (5.18.0)
     nenv (0.3.0)
     notiffany (0.1.3)
       nenv (~> 0.1)