diff --git a/.buildkite/docker_keyserver.yml b/.buildkite/docker_keyserver.yml
--- a/.buildkite/docker_keyserver.yml
+++ b/.buildkite/docker_keyserver.yml
@@ -2,4 +2,4 @@
   - command:
       - 'cd keyserver && touch .env && bash/dc.sh build --no-cache'
     agents:
-      - 'docker=true'
+      - 'autoscaling=true'