diff --git a/Gemfile.lock b/Gemfile.lock
index bad7372c..5d108db3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
     parser (3.1.1.0)
       ast (~> 2.4.1)
     pg (1.3.4)
-    puma (5.6.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)