diff --git a/Gemfile.lock b/Gemfile.lock
index 34c3c2a2..437f70d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     colored2 (3.1.2)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
-    minitest (5.22.3)
+    minitest (5.23.1)
     nanaimo (0.3.0)
     nkf (0.2.0)
     parallel (1.24.0)