diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index ce00351..44e16bc 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -5,3 +5,6 @@ jobs:
   maven:
     uses: self:KofTwentyTwo/ci-workflows/.gitea/workflows/maven.yaml@v1
     secrets: inherit
+    with:
+      # Starts a full Authentik stack per build: use the large runners.
+      runner: container-build-large