diff --git a/storedog/Gemfile b/storedog/Gemfile
index fe5c0ebd08..c8209ef46a 100644
--- a/storedog/Gemfile
+++ b/storedog/Gemfile
@@ -8,7 +8,7 @@ gem 'rails', '~> 6.0.3', '>= 6.0.3.1'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 5.6'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
diff --git a/storedog/Gemfile.lock b/storedog/Gemfile.lock
index 4256495d9a..edb8283acd 100644
--- a/storedog/Gemfile.lock
+++ b/storedog/Gemfile.lock
@@ -87,12 +87,12 @@ GEM
     mini_portile2 (2.5.0)
     minitest (5.14.1)
     msgpack (1.3.3)
-    nio4r (2.5.2)
+    nio4r (2.5.9)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     pg (1.2.3)
-    puma (4.3.5)
+    puma (5.6.7)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.2)
@@ -182,7 +182,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.2)
   pg (>= 0.18, < 2.0)
-  puma (~> 4.1)
+  puma (~> 5.6)
   rails (~> 6.0.3, >= 6.0.3.1)
   sass-rails (>= 6)
   spring