diff --git a/src/supermarket/Gemfile.lock b/src/supermarket/Gemfile.lock
index 8121e7204..ab177873e 100644
--- a/src/supermarket/Gemfile.lock
+++ b/src/supermarket/Gemfile.lock
@@ -547,7 +547,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (5.0.1)
-    puma (5.6.8)
+    puma (6.4.3)
       nio4r (~> 2.0)
     pundit (2.3.0)
       activesupport (>= 3.0.0)