diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 85868d7596..b602f47c65 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -646,6 +646,9 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "piix4.acpi-root-pci-hotplug", /* QEMU_CAPS_PIIX4_ACPI_ROOT_PCI_HOTPLUG */
               "ich9.acpi-hotplug-bridge", /* QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE */
               "netdev.json", /* QEMU_CAPS_NETDEV_JSON */
+
+              /* 415 */
+              "chardev.json", /* QEMU_CAPS_CHARDEV_JSON */
     );
 
 
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 80e2d58dde..4980ac7829 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -627,6 +627,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_ICH9_ACPI_HOTPLUG_BRIDGE, /* -M q35 ICH9-LPC.acpi-pci-hotplug-with-bridge-support */
     QEMU_CAPS_NETDEV_JSON, /* -netdev accepts JSON */
 
+    /* 415 */
+    QEMU_CAPS_CHARDEV_JSON, /* -chardev accepts JSON */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;