diff --git a/Gemfile b/Gemfile
index 2fc3bb1..18ac9e8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'sqlite3'
 gem 'gci', :git => 'https://github.com/gcinterceptor/gci-ruby'
 
 # Use Puma as the app server
-gem 'puma', '~> 4.3'
+gem 'puma', '~> 5.6'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
diff --git a/Gemfile.lock b/Gemfile.lock
index 9858c0c..557a846 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,11 +80,11 @@ GEM
     mini_portile2 (2.6.1)
     minitest (5.15.0)
     msgpack (1.2.4)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
-    puma (4.3.12)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.6.1)
     rack (2.2.6.4)
@@ -148,7 +148,7 @@ DEPENDENCIES
   byebug
   gci!
   listen (>= 3.0.5, < 3.2)
-  puma (~> 4.3)
+  puma (~> 5.6)
   rails (~> 5.2.0)
   spring
   spring-watcher-listen (~> 2.0.0)