diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf2a7d6..8a69369 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,11 +18,7 @@ concurrency:
 jobs:
   ci:
     name: Check
-    # Self-hosted Linux. The repository is private, so there is no fork-PR
-    # code-execution exposure. Kept as a single job because the runner pool is
-    # one machine -- separate jobs would serialise anyway and pay checkout and
-    # toolchain setup costs repeatedly.
-    runs-on: [self-hosted, Linux]
+    runs-on: ubuntu-latest
     timeout-minutes: 45
 
     steps: