diff --git a/Gemfile.lock b/Gemfile.lock
index cc664d1..7f20928 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
     parser (3.2.2.3)
       ast (~> 2.4.1)
       racc
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)