diff --git a/Gemfile b/Gemfile
index 3154a1b..32b4ae0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'rails', '~> 6.1.4'
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.1'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
diff --git a/Gemfile.lock b/Gemfile.lock
index d153c98..24d4ea7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    puma (5.6.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
@@ -274,7 +274,7 @@ DEPENDENCIES
   listen (~> 3.3)
   pg (~> 1.1)
   pry-byebug
-  puma (~> 5.0)
+  puma (~> 5.6)
   rack-cors
   rails (~> 6.1.4)
   rspec-rails (~> 5.0.0)