diff --git a/Gemfile b/Gemfile
index 7f014975..c14512e7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ ruby "~> 2.7"
 
 # Server
 gem 'rails'
-gem 'puma', '~> 5.2'
+gem 'puma', '~> 5.3'
 gem 'puma-heroku'
 # gem 'bootsnap', require: false
 gem 'sprockets', '~> 3.7.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 462bf8f5..a7e596f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1465,7 +1465,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.2.2)
+    puma (5.3.1)
       nio4r (~> 2.0)
     puma-heroku (2.0.0)
       puma (>= 5.0, < 6.0)
@@ -1746,7 +1746,7 @@ DEPENDENCIES
   paypal_client
   pg (~> 1.2)
   pry
-  puma (~> 5.2)
+  puma (~> 5.3)
   puma-heroku
   rack-mini-profiler
   rails