diff --git a/Gemfile.lock b/Gemfile.lock
index 4a4169f..ba2694a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     hiredis (0.6.3-java)
     json (2.7.1)
     json (2.7.1-java)
-    minitest (5.22.3)
+    minitest (5.23.0)
     parallel (1.24.0)
     parser (3.3.0.5)
       ast (~> 2.4.1)