diff --git a/Gemfile b/Gemfile
index 83bd9ee4..3deb2541 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 5d6c05f7..76d8dfc5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -186,7 +186,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.8)
+    nio4r (2.7.3)
     nokogiri (1.14.3)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
@@ -204,7 +204,7 @@ GEM
       ast (~> 2.4.1)
     pg (1.4.5)
     public_suffix (5.0.1)
-    puma (6.0.2)
+    puma (6.4.3)
       nio4r (~> 2.0)
     racc (1.6.2)
     rack (2.2.6.4)
@@ -351,7 +351,7 @@ DEPENDENCIES
   noticed
   pagy
   pg (~> 1.1)
-  puma (~> 6.0)
+  puma (~> 6.4)
   rails (~> 7.0.4)
   redcarpet
   redis (~> 5.0)