diff --git a/Gemfile b/Gemfile
index 7f3a4a9..89b47f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem "pg"
 gem "foreman"
 
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/Gemfile.lock b/Gemfile.lock
index 628dfab..799a738 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -227,7 +227,7 @@ GEM
     public_suffix (4.0.6)
     public_uid (2.1.1)
       activerecord (> 4.2)
-    puma (5.6.1)
+    puma (5.6.2)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -450,7 +450,7 @@ DEPENDENCIES
   pg
   progress_bar (~> 1.3)
   public_uid
-  puma (~> 5.0)
+  puma (~> 5.6)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.4, >= 6.1.4.1)
   redis (~> 4.0)