diff --git a/apps/github-runner/github-runner.yaml b/apps/github-runner/github-runner.yaml
index b360b83..4f9e10b 100644
--- a/apps/github-runner/github-runner.yaml
+++ b/apps/github-runner/github-runner.yaml
@@ -4189,7 +4189,9 @@ metadata:
     flowercore.io/runner-repo: device-management
     flowercore.io/github-repo: FlowerCore.DeviceManagement
 spec:
-  replicas: 2
+  # Single replica until cluster CPU pressure resolves; the fleet-wide
+  # request right-sizing pass is queued for a future sweep.
+  replicas: 1
   selector:
     matchLabels:
       app.kubernetes.io/name: github-runner-device-management
@@ -4326,7 +4328,9 @@ metadata:
     flowercore.io/runner-repo: aistation-linux
     flowercore.io/github-repo: FlowerCore.AiStation.Linux
 spec:
-  replicas: 2
+  # Single replica until cluster CPU pressure resolves; the fleet-wide
+  # request right-sizing pass is queued for a future sweep.
+  replicas: 1
   selector:
     matchLabels:
       app.kubernetes.io/name: github-runner-aistation-linux
@@ -4459,7 +4463,9 @@ metadata:
     flowercore.io/runner-repo: worldbuilder
     flowercore.io/github-repo: FlowerCore.WorldBuilder
 spec:
-  replicas: 2
+  # Single replica until cluster CPU pressure resolves; the fleet-wide
+  # request right-sizing pass is queued for a future sweep.
+  replicas: 1
   selector:
     matchLabels:
       app.kubernetes.io/name: github-runner-worldbuilder