diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 62410bf..39bec53 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -8,6 +8,6 @@ steps:
   timeout_in_minutes: 5
   plugins:
     - ssh://git@github.com/Invoca/invoca-ruby-test-matrix-buildkite-plugin.git#main:
-        min_ruby_version: '3.1'
+        min_ruby_version: '3.3'
         slack_notification_channel: '#dev-team-release-backend-tools-octothorpe'
         test_command: "bundle exec rspec"
diff --git a/.ruby-version b/.ruby-version
index 0aec50e..37d02a6 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.4
+3.3.8