diff --git a/Gemfile b/Gemfile
index 086c82c..ac148ff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.1.3'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3', '~> 1.4'
 # Use Puma as the app server
-gem 'puma', '~> 5.0'
+gem 'puma', '~> 6.4'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
 gem 'webpacker', '~> 5.0'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
diff --git a/Gemfile.lock b/Gemfile.lock
index e10b481..1686e0c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,19 +115,13 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     multipart-post (2.1.1)
-    nio4r (2.5.7)
+    nio4r (2.5.9)
     nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    nokogiri (1.11.2-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.11.2-x64-mingw32)
-      racc (~> 1.4)
-    nokogiri (1.11.2-x86_64-linux)
-      racc (~> 1.4)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    puma (5.1.1)
+    puma (6.4.0)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -264,7 +258,7 @@ DEPENDENCIES
   dotenv-rails
   jbuilder (~> 2.7)
   listen (~> 3.3)
-  puma (~> 5.0)
+  puma (~> 6.4)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.3)
   rails-controller-testing