diff --git a/Gemfile b/Gemfile
index eeb9762..0bc5e3d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem "sprockets-rails"
 gem "sqlite3", "~> 1.4"
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 5.0"
+gem "puma", "~> 5.6"
 
 # Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
 gem "importmap-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index 32198ea..ece3c5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,7 +126,7 @@ GEM
       timeout
     net-smtp (0.3.3)
       net-protocol
-    nio4r (2.5.9)
+    nio4r (2.7.0)
     nokogiri (1.15.4-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.15.4-x86_64-linux)
@@ -134,7 +134,7 @@ GEM
     psych (5.1.0)
       stringio
     public_suffix (5.0.3)
-    puma (5.6.7)
+    puma (5.6.8)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)
@@ -229,7 +229,7 @@ DEPENDENCIES
   importmap-rails
   jbuilder
   mysql2
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 7.0.7, >= 7.0.7.2)
   redis (~> 4.0)
   selenium-webdriver