diff --git a/Gemfile b/Gemfile
index 9f186b314..1a0235630 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,7 +41,7 @@ gem 'p3p', '~> 2.0'
 gem 'panoptes-client'
 gem 'pg', '~> 0.21'
 gem 'pg_search'
-gem 'puma', '~> 5.6.5'
+gem 'puma', '~> 6.0.0'
 gem 'pundit', '~> 2.2.0'
 gem 'rack-cors', '~> 1.0', require: 'rack/cors'
 if next?
diff --git a/Gemfile.lock b/Gemfile.lock
index 9ba5e13ac..0e8d5f605 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -292,7 +292,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.7)
-    puma (5.6.5)
+    puma (6.0.0)
       nio4r (~> 2.0)
     pundit (2.2.0)
       activesupport (>= 3.0.0)
@@ -523,7 +523,7 @@ DEPENDENCIES
   pg (~> 0.21)
   pg_search
   pry
-  puma (~> 5.6.5)
+  puma (~> 6.0.0)
   pundit (~> 2.2.0)
   rack-cors (~> 1.0)
   rails (~> 5.1)