diff --git a/Gemfile.lock b/Gemfile.lock
index 9bb95ed..961a35f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -182,7 +182,7 @@ GEM
     psych (5.1.1.1)
       stringio
     public_suffix (5.0.4)
-    puma (6.4.0)
+    puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.7.3)
     rack (3.0.8)