diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index e54dde69ab..959c27f3bf 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -466,6 +466,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               /* 285 */
               "virtio-mouse-ccw",
               "virtio-tablet-ccw",
+              "qcow2-luks",
     );
 
 
@@ -1849,6 +1850,7 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
     { "blockdev-add/arg-type/+gluster/debug", QEMU_CAPS_GLUSTER_DEBUG_LEVEL},
     { "blockdev-add/arg-type/+vxhs", QEMU_CAPS_VXHS},
     { "blockdev-add/arg-type/+iscsi/password-secret", QEMU_CAPS_ISCSI_PASSWORD_SECRET },
+    { "blockdev-add/arg-type/+qcow2/encrypt/+luks/key-secret", QEMU_CAPS_QCOW2_LUKS },
 };
 
 struct virQEMUCapsObjectTypeProps {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 3f3c29f8fb..2203c28aa0 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -450,6 +450,7 @@ typedef enum {
     /* 285 */
     QEMU_CAPS_DEVICE_VIRTIO_MOUSE_CCW, /* -device virtio-mouse-ccw */
     QEMU_CAPS_DEVICE_VIRTIO_TABLET_CCW, /* -device virtio-tablet-ccw */
+    QEMU_CAPS_QCOW2_LUKS, /* qcow2 format support LUKS encryption */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
index 17d388e815..7585e02da2 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml
@@ -186,6 +186,7 @@
   <flag name='isa-serial'/>
   <flag name='pl011'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>303541</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
index 403b538628..153e199c41 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml
@@ -185,6 +185,7 @@
   <flag name='isa-serial'/>
   <flag name='machine.pseries.max-cpu-compat'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>382824</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
index 1096495f00..c4be3fca51 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml
@@ -146,6 +146,7 @@
   <flag name='disk-share-rw'/>
   <flag name='iscsi.password-secret'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>303326</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
index dacb5c4599..4dd5602014 100644
--- a/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml
@@ -229,6 +229,7 @@
   <flag name='iscsi.password-secret'/>
   <flag name='isa-serial'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>344938</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
index 70a35ef507..cbd645ae93 100644
--- a/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml
@@ -150,6 +150,7 @@
   <flag name='virtio-keyboard-ccw'/>
   <flag name='virtio-mouse-ccw'/>
   <flag name='virtio-tablet-ccw'/>
+  <flag name='qcow2-luks'/>
   <version>2011000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>342058</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
index ff48293656..ec2eec17f4 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml
@@ -187,6 +187,7 @@
   <flag name='isa-serial'/>
   <flag name='pl011'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>342346</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
index ee7fb9e052..1122d6408b 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml
@@ -185,6 +185,7 @@
   <flag name='isa-serial'/>
   <flag name='machine.pseries.max-cpu-compat'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>419215</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
index b5b6b5b3b1..191b1e0e37 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml
@@ -150,6 +150,7 @@
   <flag name='virtio-keyboard-ccw'/>
   <flag name='virtio-mouse-ccw'/>
   <flag name='virtio-tablet-ccw'/>
+  <flag name='qcow2-luks'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
index 334296e213..aa5de811e1 100644
--- a/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml
@@ -225,6 +225,7 @@
   <flag name='iscsi.password-secret'/>
   <flag name='isa-serial'/>
   <flag name='dump-completed'/>
+  <flag name='qcow2-luks'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>390060</microcodeVersion>