diff --git a/Gemfile b/Gemfile
index 313eb09..c31b1fc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem 'sprockets-rails'
 gem 'pg', '~> 1.1'
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem 'puma', '~> 6.0'
+gem 'puma', '~> 6.4'
 
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem 'importmap-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index cf904a3..afd8416 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -210,7 +210,7 @@ GEM
     psych (5.1.2)
       stringio
     public_suffix (5.0.5)
-    puma (6.4.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     pundit (2.3.2)
       activesupport (>= 3.0.0)
@@ -384,7 +384,7 @@ DEPENDENCIES
   pg (~> 1.1)
   pg_search
   pgvector
-  puma (~> 6.0)
+  puma (~> 6.4)
   pundit (~> 2.3)
   rails (~> 7.1.0)
   rails-controller-testing