diff --git a/Gemfile b/Gemfile
index 08b30dc08..46a7b079c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ ruby '>= 2.6.0', '< 3.1.0'
 gem 'pkg-config', '~> 1.4'
 gem 'rexml', '~> 3.2'
 
-gem 'puma', '~> 5.6'
+gem 'puma', '~> 6.4'
 gem 'rails', '~> 6.1.6'
 gem 'sprockets', '~> 3.7.2'
 gem 'thor', '~> 1.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 759a2ee77..c2298f54d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -469,7 +469,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.7)
-    puma (5.6.4)
+    puma (6.4.0)
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)
@@ -807,7 +807,7 @@ DEPENDENCIES
   pry-byebug (~> 3.9)
   pry-rails (~> 0.3)
   public_suffix (~> 4.0.7)
-  puma (~> 5.6)
+  puma (~> 6.4)
   pundit (~> 2.2)
   rack (~> 2.2.3)
   rack-attack (~> 6.6)