diff --git a/Gemfile b/Gemfile
index 85c3823..ebe2fbf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'rails', ' <7.0'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
-gem 'puma', '~> 4.0'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 017b679..1b222ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -188,7 +188,7 @@ GEM
     pg (1.5.4)
     popper_js (1.16.1)
     public_suffix (5.0.4)
-    puma (4.3.12)
+    puma (5.6.8)
       nio4r (~> 2.0)
     pundit (2.3.1)
       activesupport (>= 3.0.0)
@@ -316,7 +316,7 @@ DEPENDENCIES
   paper_trail (> 7.0)
   pg (> 0.20)
   popper_js
-  puma (~> 4.0)
+  puma (~> 5.6)
   pundit
   rails (< 7.0)
   rsolr (>= 1.0)