diff --git a/Gemfile b/Gemfile
index 3d9cb0ca..c4a36c86 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,6 @@ gem 'rails', '~> 7.1', '>= 7.1.1'
 # NOTE: Once we're migrated, remove puma! I have both to allow the upgrade to
 # be incremental: push this out with `bin/deploy`, then change the service file
 # with `bin/deploy:setup`.
-gem 'puma', '~> 6.3', '>= 6.3.1'
 gem 'falcon', '~> 0.42.3'
 
 # Our database is MySQL, in both development and production.
diff --git a/Gemfile.lock b/Gemfile.lock
index c3e44287..b7ae8f18 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -233,8 +233,6 @@ GEM
     psych (5.1.1.1)
       stringio
     public_suffix (5.0.3)
-    puma (6.4.2)
-      nio4r (~> 2.0)
     racc (1.7.1)
     rack (2.2.8)
     rack-attack (6.7.0)
@@ -380,7 +378,6 @@ DEPENDENCIES
   mysql2 (~> 0.5.5)
   nokogiri (~> 1.15, >= 1.15.3)
   parallel (~> 1.23)
-  puma (~> 6.3, >= 6.3.1)
   rack-attack (~> 6.7)
   rack-mini-profiler (~> 3.1)
   rails (~> 7.1, >= 7.1.1)
diff --git a/vendor/cache/puma-6.4.2.gem b/vendor/cache/puma-6.4.2.gem
deleted file mode 100644
index 3e6c5b60..00000000
Binary files a/vendor/cache/puma-6.4.2.gem and /dev/null differ