diff --git a/frameworks/roda/Dockerfile b/frameworks/roda/Dockerfile
index 5ac048ee..33d85705 100644
--- a/frameworks/roda/Dockerfile
+++ b/frameworks/roda/Dockerfile
@@ -12,6 +12,7 @@ ENV RUBY_MN_THREADS=1
 ENV RACK_ENV=production
 ENV WEB_CONCURRENCY=auto
 ENV MAX_THREADS=4
+ENV MAX_IO_THREADS=10
 
 WORKDIR /app
 
diff --git a/frameworks/roda/Gemfile b/frameworks/roda/Gemfile
index cd4e6b6a..6882018b 100644
--- a/frameworks/roda/Gemfile
+++ b/frameworks/roda/Gemfile
@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'roda', '~> 3.102'
-gem 'puma', '~> 7.2'
+gem 'puma', '~> 8.0'
 gem 'pg', '~> 1.5'
 gem 'json'
 gem 'concurrent-ruby'
diff --git a/frameworks/roda/Gemfile.lock b/frameworks/roda/Gemfile.lock
index 6388ea2e..8be0278b 100644
--- a/frameworks/roda/Gemfile.lock
+++ b/frameworks/roda/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     pg (1.6.3)
     pg (1.6.3-arm64-darwin)
     pg (1.6.3-x86_64-linux)
-    puma (7.2.0)
+    puma (8.0.1)
       nio4r (~> 2.0)
     rack (3.2.5)
     roda (3.102.0)
@@ -32,7 +32,7 @@ DEPENDENCIES
   connection_pool
   json
   pg (~> 1.5)
-  puma (~> 7.2)
+  puma (~> 8.0)
   roda (~> 3.102)
 
 CHECKSUMS
@@ -43,7 +43,7 @@ CHECKSUMS
   pg (1.6.3) sha256=1388d0563e13d2758c1089e35e973a3249e955c659592d10e5b77c468f628a99
   pg (1.6.3-arm64-darwin) sha256=7240330b572e6355d7c75a7de535edb5dfcbd6295d9c7777df4d9dddfb8c0e5f
   pg (1.6.3-x86_64-linux) sha256=5d9e188c8f7a0295d162b7b88a768d8452a899977d44f3274d1946d67920ae8d
-  puma (7.2.0) sha256=bf8ef4ab514a4e6d4554cb4326b2004eba5036ae05cf765cfe51aba9706a72a8
+  puma (8.0.1) sha256=7b94e50c07655718c1fb8ae41a11fc06c7d61293208b3aa608ff71a46d3ad37c
   rack (3.2.5) sha256=4cbd0974c0b79f7a139b4812004a62e4c60b145cba76422e288ee670601ed6d3
   roda (3.102.0) sha256=b2156fff6d2b1b52bfac39e4ccde0d820a26594f069c3d9e99cc0853f7ee7dcc
 
diff --git a/frameworks/roda/app.rb b/frameworks/roda/app.rb
index 33515609..42bc2bb7 100644
--- a/frameworks/roda/app.rb
+++ b/frameworks/roda/app.rb
@@ -69,6 +69,7 @@ class App < Roda
     end
 
     r.is 'upload' do
+      request.env["puma.mark_as_io_bound"].call
       size = 0
       buf = request.body
       while (chunk = buf.read(65536))
diff --git a/frameworks/roda/config.ru b/frameworks/roda/config.ru
index 9695bfd1..1b148cf4 100644
--- a/frameworks/roda/config.ru
+++ b/frameworks/roda/config.ru
@@ -17,6 +17,21 @@ class MethodGuard
   end
 end
 
+# Threads marked as IO bound are allowed to go over Puma's max thread limit.
+class MarkAsIOBoundThreads
+  def initialize(app)
+    @app = app
+  end
+
+  def call(env)
+    if env['PATH_INFO'].start_with? '/baseline'
+      env["puma.mark_as_io_bound"].call
+    end
+    @app.call(env)
+  end
+end
+
+use MarkAsIOBoundThreads
 use MethodGuard
 use Rack::Deflater # enable gzip
 run App
diff --git a/frameworks/roda/puma.rb b/frameworks/roda/puma.rb
index e4859fc8..63c90bbf 100644
--- a/frameworks/roda/puma.rb
+++ b/frameworks/roda/puma.rb
@@ -1,4 +1,5 @@
 threads ENV.fetch('MAX_THREADS', 4).to_i
+max_io_threads ENV.fetch("MAX_IO_THREADS", 10).to_i
 
 tls_cert_path = ENV.fetch('TLS_CERT', '/certs/server.crt')
 tls_key_path = ENV.fetch('TLS_KEY', '/certs/server.key')