diff --git a/deploy/crds/vms-crd.yaml b/deploy/crds/vms-crd.yaml
index 1863afe..e4db3d5 100644
--- a/deploy/crds/vms-crd.yaml
+++ b/deploy/crds/vms-crd.yaml
@@ -1411,6 +1411,11 @@ spec:
                     Amount of memory in use.
                   type: string
                   default: "0"
+                displayPasswordSerial:
+                  description: >-
+                    Counts changes of the display password. 
+                  type: integer
+                  default: 0
                 conditions:
                   description: >-
                     List of component conditions observed
diff --git a/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/StatusUpdater.java b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/StatusUpdater.java
index d416fa1..bb15639 100644
--- a/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/StatusUpdater.java
+++ b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/StatusUpdater.java
@@ -43,6 +43,7 @@ import org.jdrupes.vmoperator.common.K8sDynamicModel;
 import org.jdrupes.vmoperator.common.K8sDynamicStub;
 import org.jdrupes.vmoperator.runner.qemu.events.BalloonChangeEvent;
 import org.jdrupes.vmoperator.runner.qemu.events.ConfigureQemu;
+import org.jdrupes.vmoperator.runner.qemu.events.DisplayPasswordChanged;
 import org.jdrupes.vmoperator.runner.qemu.events.Exit;
 import org.jdrupes.vmoperator.runner.qemu.events.HotpluggableCpuStatus;
 import org.jdrupes.vmoperator.runner.qemu.events.RunnerStateChange;
@@ -321,6 +322,26 @@ public class StatusUpdater extends Component {
         });
     }
 
+    /**
+     * On ballon change.
+     *
+     * @param event the event
+     * @throws ApiException 
+     */
+    @Handler
+    public void onDisplayPasswordChanged(DisplayPasswordChanged event)
+            throws ApiException {
+        if (vmStub == null) {
+            return;
+        }
+        vmStub.updateStatus(from -> {
+            JsonObject status = from.status();
+            status.addProperty("displayPasswordSerial",
+                status.get("displayPasswordSerial").getAsLong() + 1);
+            return status;
+        });
+    }
+
     /**
      * On shutdown.
      *
diff --git a/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/DisplayPasswordChanged.java b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/DisplayPasswordChanged.java
new file mode 100644
index 0000000..0814f50
--- /dev/null
+++ b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/DisplayPasswordChanged.java
@@ -0,0 +1,39 @@
+/*
+ * VM-Operator
+ * Copyright (C) 2024 Michael N. Lipp
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.jdrupes.vmoperator.runner.qemu.events;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.jdrupes.vmoperator.runner.qemu.commands.QmpCommand;
+
+/**
+ * A {@link MonitorResult} that indicates that the display password has changed.
+ */
+public class DisplayPasswordChanged extends MonitorResult {
+
+    /**
+     * Instantiates a new display password changed.
+     *
+     * @param command the command
+     * @param response the response
+     */
+    public DisplayPasswordChanged(QmpCommand command, JsonNode response) {
+        super(command, response);
+    }
+
+}
diff --git a/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/MonitorResult.java b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/MonitorResult.java
index c0f55fe..9352ab2 100644
--- a/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/MonitorResult.java
+++ b/org.jdrupes.vmoperator.runner.qemu/src/org/jdrupes/vmoperator/runner/qemu/events/MonitorResult.java
@@ -25,6 +25,7 @@ import org.jdrupes.vmoperator.runner.qemu.commands.QmpCapabilities;
 import org.jdrupes.vmoperator.runner.qemu.commands.QmpCommand;
 import org.jdrupes.vmoperator.runner.qemu.commands.QmpDelCpu;
 import org.jdrupes.vmoperator.runner.qemu.commands.QmpQueryHotpluggableCpus;
+import org.jdrupes.vmoperator.runner.qemu.commands.QmpSetDisplayPassword;
 import org.jgrapes.core.Channel;
 import org.jgrapes.core.Components;
 import org.jgrapes.core.Event;
@@ -57,6 +58,9 @@ public class MonitorResult extends Event<Void> {
         if (command instanceof QmpDelCpu) {
             return new CpuDeleted(command, response);
         }
+        if (command instanceof QmpSetDisplayPassword) {
+            return new DisplayPasswordChanged(command, response);
+        }
         return new MonitorResult(command, response);
     }