diff --git a/examples/rails/Gemfile b/examples/rails/Gemfile
index 97b435d..2663b2e 100644
--- a/examples/rails/Gemfile
+++ b/examples/rails/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.7', '>= 6.1.7.4'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 5.6'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 # gem 'jbuilder', '~> 2.7'
 # Use Redis adapter to run Action Cable in production
diff --git a/examples/rails/Gemfile.lock b/examples/rails/Gemfile.lock
index 21ce060..6b95372 100644
--- a/examples/rails/Gemfile.lock
+++ b/examples/rails/Gemfile.lock
@@ -131,7 +131,7 @@ GEM
     openapi_parser_firetail (1.0.0)
       jwt (~> 2.5)
     public_suffix (5.0.3)
-    puma (5.6.6)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.7)
@@ -218,7 +218,7 @@ DEPENDENCIES
   byebug
   firetail (~> 0.0.1.pre.alpha)
   listen (~> 3.3)
-  puma (~> 5.0)
+  puma (~> 5.6)
   rails (~> 6.1.7, >= 6.1.7.4)
   rspec (= 3.12)
   rspec-rails