diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 1c120ff163..56cad891cc 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -683,6 +683,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
 
               /* 440 */
               "machine-hpet", /* QEMU_CAPS_MACHINE_HPET */
+              "netdev.stream", /* QEMU_CAPS_NETDEV_STREAM */
     );
 
 
@@ -1550,6 +1551,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
     { "migrate-set-parameters/arg-type/block-bitmap-mapping/bitmaps/transform", QEMU_CAPS_MIGRATION_PARAM_BLOCK_BITMAP_MAPPING },
     { "nbd-server-start/arg-type/tls-creds", QEMU_CAPS_NBD_TLS },
     { "nbd-server-add/arg-type/bitmap", QEMU_CAPS_NBD_BITMAP },
+    { "netdev_add/arg-type/+stream", QEMU_CAPS_NETDEV_STREAM },
     { "netdev_add/arg-type/+vhost-vdpa", QEMU_CAPS_NETDEV_VHOST_VDPA },
     /* JSON support for -netdev was introduced for the 'dgram' netdev type */
     { "netdev_add/arg-type/type/^dgram", QEMU_CAPS_NETDEV_JSON },
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 9e90d8badf..15dddd3ea9 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -662,6 +662,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
 
     /* 440 */
     QEMU_CAPS_MACHINE_HPET, /* the HPET timer is configured via -machine, rather than -no-hpet */
+    QEMU_CAPS_NETDEV_STREAM, /* -netdev stream */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_7.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_7.2.0.x86_64.xml
index 821fcd3199..e9e1d45208 100644
--- a/tests/qemucapabilitiesdata/caps_7.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_7.2.0.x86_64.xml
@@ -201,6 +201,7 @@
   <flag name='query-stats-schemas'/>
   <flag name='thread-context'/>
   <flag name='screenshot-format-png'/>
+  <flag name='netdev.stream'/>
   <version>7002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100245</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
index cbade3b579..d6084df841 100644
--- a/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_8.0.0.x86_64.xml
@@ -201,6 +201,7 @@
   <flag name='thread-context'/>
   <flag name='screenshot-format-png'/>
   <flag name='machine-hpet'/>
+  <flag name='netdev.stream'/>
   <version>7002050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100244</microcodeVersion>