diff --git a/Gemfile.lock b/Gemfile.lock
index 75ab01e..2c73195 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     mina (1.2.3)
       open4 (~> 1.3.4)
       rake
-    minitest (5.12.2)
+    minitest (5.13.0)
     mustermann (1.0.3)
     open4 (1.3.4)
     rack (2.0.7)