diff --git a/Gemfile.lock b/Gemfile.lock
index d4866be..fc1bcfe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       uri
     nio4r (2.7.3)
     public_suffix (6.0.1)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     rack (3.1.7)
     rake (13.2.1)