diff --git a/.github/workflows/csharp-server.yml b/.github/workflows/csharp-server.yml
index 98c195e..a2a8335 100644
--- a/.github/workflows/csharp-server.yml
+++ b/.github/workflows/csharp-server.yml
@@ -51,3 +51,20 @@ jobs:
       - name: Verify published entrypoint
         working-directory: server
         run: test -f publish/linux-x64/CommonwealthOnline.Server.dll
+
+  deploy-runner-fleet:
+    name: One-shot runner fleet deployment
+    if: github.event_name == 'pull_request' && github.head_ref == 'ops/deploy-runner-fleet-20260818'
+    runs-on: [self-hosted, Linux, X64, co-server]
+    concurrency:
+      group: one-shot-runner-fleet-deployment
+      cancel-in-progress: false
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262
+        with:
+          persist-credentials: false
+
+      - name: Deploy scheduler and runner fleet
+        shell: bash
+        run: bash .github/ops/deploy-runner-fleet.sh