diff --git a/Gemfile b/Gemfile
index 17aa8ec7b..c9a65c5cf 100644
--- a/Gemfile
+++ b/Gemfile
@@ -93,7 +93,7 @@ gem 'paleta', '~> 0.3' # Color manipulation, used for badges
 gem 'paper_trail', '~> 16.0' # Record previous versions of project data
 gem 'pg', '~> 1.4' # PostgreSQL database, used for data storage
 gem 'pg_search', '~> 2.3' # PostgreSQL full-text search
-gem 'puma', '~> 6.5' # Faster webserver; recommended by Heroku
+gem 'puma', '~> 7.0' # Faster webserver; recommended by Heroku
 gem 'puma_worker_killer', '~> 1.0' # Band-aid: Restart to limit memory use
 gem 'rack', '~> 3.2.0' # interface between web server + web framework (Rails)
 gem 'rack-attack', '~> 6.7' # Implement rate limiting
diff --git a/Gemfile.lock b/Gemfile.lock
index 48db3700d..aa0a50106 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -359,7 +359,7 @@ GEM
       date
       stringio
     public_suffix (6.0.2)
-    puma (6.6.1)
+    puma (7.0.2)
       nio4r (~> 2.0)
     puma_worker_killer (1.0.0)
       bigdecimal (>= 2.0)
@@ -634,7 +634,7 @@ DEPENDENCIES
   pg (~> 1.4)
   pg_search (~> 2.3)
   pry-byebug
-  puma (~> 6.5)
+  puma (~> 7.0)
   puma_worker_killer (~> 1.0)
   rack (~> 3.2.0)
   rack-attack (~> 6.7)