diff --git a/Gemfile.lock b/Gemfile.lock
index 159890c..f99de47 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mini_portile2 (2.8.8)
-    minitest (5.25.2)
+    minitest (5.25.4)
     mocha (2.7.0)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)