diff --git a/Gemfile b/Gemfile
index 121ad8ac..0a608a1d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem 'rails', '~> 5.2'
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.3'
 # Use Puma as the app server
-gem 'puma', '~> 5.6'
+gem 'puma', '~> 6.3'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 gem 'bootstrap-sass', '~> 3.4.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 16db5b85..866adc9c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
     multipart-post (2.2.0)
     netrc (0.11.0)
     newrelic_rpm (8.8.0)
-    nio4r (2.5.8)
+    nio4r (2.5.9)
     nokogiri (1.15.2)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -211,7 +211,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.7)
-    puma (5.6.4)
+    puma (6.3.1)
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)
@@ -402,7 +402,7 @@ DEPENDENCIES
   pg (~> 1.3)
   pry-byebug
   pry-rails
-  puma (~> 5.6)
+  puma (~> 6.3)
   pundit (~> 2.2.0)
   rack-cors
   rails (~> 5.2)