diff --git a/Gemfile b/Gemfile
index e5cb426..493fb41 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,7 +24,7 @@ gem "jquery-rails"
 gem "kaminari"
 gem "kaminari-i18n"
 gem "pg", "~> 1.1"
-gem "puma", "~> 5.0"
+gem "puma", "~> 5.6"
 gem "redis", "~> 4.0"
 gem "sassc-rails"
 gem "simple_form"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2e0c625..fd83356 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,7 +207,7 @@ GEM
     orm_adapter (0.5.0)
     pg (1.5.3)
     public_suffix (5.0.1)
-    puma (5.6.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.7.0)
     rack (2.2.7)
@@ -336,7 +336,7 @@ DEPENDENCIES
   kaminari
   kaminari-i18n
   pg (~> 1.1)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.5)
   rails-i18n
   redis (~> 4.0)