diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 7dad7231ee..c9f4b17208 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -694,6 +694,9 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "rbd-encryption-layering", /* QEMU_CAPS_RBD_ENCRYPTION_LAYERING */
               "rbd-encryption-luks-any", /* QEMU_CAPS_RBD_ENCRYPTION_LUKS_ANY */
               "qcow2-discard-no-unref", /* QEMU_CAPS_QCOW2_DISCARD_NO_UNREF */
+
+              /* 450 */
+              "run-with.async-teardown", /* QEMU_CAPS_RUN_WITH_ASYNC_TEARDOWN */
     );
 
 
@@ -3369,6 +3372,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
     { "spice", "gl", QEMU_CAPS_SPICE_GL },
     { "spice", "rendernode", QEMU_CAPS_SPICE_RENDERNODE },
     { "vnc", "power-control", QEMU_CAPS_VNC_POWER_CONTROL },
+    { "run-with", "async-teardown", QEMU_CAPS_RUN_WITH_ASYNC_TEARDOWN },
 };
 
 static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index ce545cb2cc..2460fa7fa0 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -674,6 +674,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_RBD_ENCRYPTION_LUKS_ANY, /* luks-any (LUKS and LUKS2) encryption format for Ceph RBD */
     QEMU_CAPS_QCOW2_DISCARD_NO_UNREF, /* qcow2 block driver allows discards without unrefing the sector */
 
+    /* 450 */
+    QEMU_CAPS_RUN_WITH_ASYNC_TEARDOWN, /* asynchronous teardown -run-with async-teardown=on|off */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
 
diff --git a/tests/qemucapabilitiesdata/caps_8.1.0_s390x.xml b/tests/qemucapabilitiesdata/caps_8.1.0_s390x.xml
index 23b5aece15..88c7ac89db 100644
--- a/tests/qemucapabilitiesdata/caps_8.1.0_s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_8.1.0_s390x.xml
@@ -114,6 +114,7 @@
   <flag name='virtio-gpu.blob'/>
   <flag name='rbd-encryption-layering'/>
   <flag name='rbd-encryption-luks-any'/>
+  <flag name='run-with.async-teardown'/>
   <version>8000050</version>
   <microcodeVersion>39100245</microcodeVersion>
   <package>v8.0.0-1270-g1c12355b</package>
diff --git a/tests/qemucapabilitiesdata/caps_8.1.0_x86_64.xml b/tests/qemucapabilitiesdata/caps_8.1.0_x86_64.xml
index f717c83fec..475496a8c8 100644
--- a/tests/qemucapabilitiesdata/caps_8.1.0_x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_8.1.0_x86_64.xml
@@ -206,6 +206,7 @@
   <flag name='rbd-encryption-layering'/>
   <flag name='rbd-encryption-luks-any'/>
   <flag name='qcow2-discard-no-unref'/>
+  <flag name='run-with.async-teardown'/>
   <version>8000050</version>
   <microcodeVersion>43100245</microcodeVersion>
   <package>v8.0.0-1739-g5f9dd6a8ce</package>