diff --git a/Gemfile b/Gemfile
index 2be41da..a20b1bc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem "sprockets-rails"
 gem "pg", "~> 1.5"
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 6.3"
+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 3066ba2..f5a4708 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -157,7 +157,7 @@ GEM
     psych (5.1.0)
       stringio
     public_suffix (5.0.3)
-    puma (6.3.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)
@@ -310,7 +310,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   pg (~> 1.5)
-  puma (~> 6.3)
+  puma (~> 6.4)
   rack-mini-profiler
   rails (~> 7.0.7)
   redis (~> 5.0)