diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e300a0f..9895c2d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,17 @@ stages: [test, build]
 
 default:
   interruptible: true
+  # 🔴 **`vps`, not the shared runners.** Every job in this pipeline failed with
+  # `ci_quota_exceeded` on first run: GitLab.com's shared minutes are spent, and
+  # a public project does not get them for free on this plan. The `ovh-…` runner
+  # was already serving the iOS repository and is not locked to it, so it now
+  # serves all four.
+  #
+  # ⚠️ It is registered with `run_untagged = false`, so a job WITHOUT this tag is
+  # not picked up at all — it sits pending forever rather than failing, which is
+  # the more confusing outcome of the two. Do not remove the tag to "let it run
+  # anywhere".
+  tags: [vps]
 
 variables:
   GIT_DEPTH: "20"