diff --git a/01.kubernetes-in-action/Chapter13/pod-privileged.yaml b/01.kubernetes-in-action/Chapter13/pod-privileged.yaml
index f3338a1..8e8812b 100644
--- a/01.kubernetes-in-action/Chapter13/pod-privileged.yaml
+++ b/01.kubernetes-in-action/Chapter13/pod-privileged.yaml
@@ -8,4 +8,4 @@ spec:
     image: alpine
     command: ["/bin/sleep", "999999"]
     securityContext:
-      privileged: true
+      privileged: false
diff --git a/01.kubernetes-in-action/Chapter13/pod-with-host-network.yaml b/01.kubernetes-in-action/Chapter13/pod-with-host-network.yaml
index c163446..f2af5d6 100644
--- a/01.kubernetes-in-action/Chapter13/pod-with-host-network.yaml
+++ b/01.kubernetes-in-action/Chapter13/pod-with-host-network.yaml
@@ -3,7 +3,7 @@ kind: Pod
 metadata:
   name: pod-with-host-network
 spec:
-  hostNetwork: true
+  hostNetwork: false
   containers:
   - name: main
     image: alpine
diff --git a/01.kubernetes-in-action/Chapter13/pod-with-host-pid-and-ipc.yaml b/01.kubernetes-in-action/Chapter13/pod-with-host-pid-and-ipc.yaml
index 3ba3d91..762442b 100644
--- a/01.kubernetes-in-action/Chapter13/pod-with-host-pid-and-ipc.yaml
+++ b/01.kubernetes-in-action/Chapter13/pod-with-host-pid-and-ipc.yaml
@@ -3,7 +3,7 @@ kind: Pod
 metadata:
   name: pod-with-host-pid-and-ipc
 spec:
-  hostPID: true
+  hostPID: false
   hostIPC: true
   containers:
   - name: main