diff --git a/config/core/deployments/activator.yaml b/config/core/deployments/activator.yaml
index 71b0a662f9fc..c91c3e84cbfc 100644
--- a/config/core/deployments/activator.yaml
+++ b/config/core/deployments/activator.yaml
@@ -105,7 +105,7 @@ spec:
             - name: k-kubelet-probe
               value: "activator"
           periodSeconds: 5
-          failureThreshold: 1
+          failureThreshold: 5
         livenessProbe:
           httpGet:
             port: 8012
diff --git a/config/core/deployments/autoscaler.yaml b/config/core/deployments/autoscaler.yaml
index cfc9dc4d9aa1..70f7edbed7e2 100644
--- a/config/core/deployments/autoscaler.yaml
+++ b/config/core/deployments/autoscaler.yaml
@@ -27,6 +27,10 @@ spec:
   selector:
     matchLabels:
       app: autoscaler
+  strategy:
+     type: RollingUpdate
+     rollingUpdate:
+       maxUnavailable: 0
   template:
     metadata:
       annotations: