diff --git a/Gemfile b/Gemfile
index 9ad727d..12cb9c7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ ruby '3.1.4'
 
 gem 'rails', '~> 6.1.3'
 # Use Puma as the app server
-gem 'puma', '~> 4.3.11'
+gem 'puma', '~> 5.6.7'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
 gem 'webpacker', '~> 5.4.3'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
diff --git a/Gemfile.lock b/Gemfile.lock
index 78f9307..3a91144 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -231,7 +231,7 @@ GEM
     nilify_blanks (1.4.0)
       activerecord (>= 4.0.0)
       activesupport (>= 4.0.0)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.14.3-x86_64-darwin)
       racc (~> 1.4)
     nokogiri (1.14.3-x86_64-linux)
@@ -251,7 +251,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (5.0.1)
-    puma (4.3.12)
+    puma (5.6.7)
       nio4r (~> 2.0)
     pycall (1.4.2)
     racc (1.6.2)
@@ -476,7 +476,7 @@ DEPENDENCIES
   nilify_blanks
   parallel_tests
   pg
-  puma (~> 4.3.11)
+  puma (~> 5.6.7)
   pycall (>= 1.3.1)
   rack-cors
   rack-timeout