diff --git a/backend/Gemfile b/backend/Gemfile
index a929deed..16f4722b 100644
--- a/backend/Gemfile
+++ b/backend/Gemfile
@@ -9,7 +9,7 @@ gem 'rails', '~> 6.1.6'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 5.6'
+gem 'puma', '~> 6.0'
 # See https://github.com/rails/execjs#readme for more supported runtimes
 # gem 'mini_racer', platforms: :ruby
 
diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index 8780db3d..dd5a1c60 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       racc (~> 1.4)
     pg (1.3.5)
     public_suffix (4.0.7)
-    puma (5.6.4)
+    puma (6.0.1)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
@@ -199,7 +199,7 @@ DEPENDENCIES
   jbuilder (~> 2.11)
   listen (~> 3.7)
   pg (>= 0.18, < 2.0)
-  puma (~> 5.6)
+  puma (~> 6.0)
   rack-cors
   rack-mini-profiler (~> 3.0)
   rails (~> 6.1.6)