diff --git a/Gemfile b/Gemfile
index e90407c..c7096f1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.3', '>= 6.1.3.2'
 # 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 Active Model has_secure_password
diff --git a/Gemfile.lock b/Gemfile.lock
index 6cf378a..26abfc3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,12 +98,12 @@ GEM
     mini_mime (1.1.0)
     minitest (5.14.4)
     msgpack (1.4.2)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.11.7-x86_64-linux)
       racc (~> 1.4)
     oj (3.11.5)
     pg (1.2.3)
-    puma (5.3.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.5.2)
@@ -184,7 +184,7 @@ DEPENDENCIES
   listen (~> 3.3)
   oj
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 6.1.3, >= 6.1.3.2)
   redis
   sidekiq