diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index d4fac18337..1a1900b380 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -516,6 +516,9 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "machine.pseries.cap-nested-hv",
               "egl-headless.rendernode",
               "memory-backend-file.align",
+
+              /* 325 */
+              "memory-backend-file.pmem",
     );
 
 
@@ -1367,6 +1370,7 @@ static virQEMUCapsObjectTypeProps virQEMUCapsDeviceProps[] = {
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendFile[] = {
     { "discard-data", QEMU_CAPS_OBJECT_MEMORY_FILE_DISCARD },
     { "align", QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN },
+    { "pmem", QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsMemoryBackendMemfd[] = {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 9df4a873ff..84c5404b16 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -501,6 +501,9 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_EGL_HEADLESS_RENDERNODE, /* -display egl-headless,rendernode= */
     QEMU_CAPS_OBJECT_MEMORY_FILE_ALIGN, /* -object memory-backend-file,align= */
 
+    /* 325 */
+    QEMU_CAPS_OBJECT_MEMORY_FILE_PMEM, /* -object memory-backend-file,pmem= */
+
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
 
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
index 48f4fdfcee..175233aa09 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml
@@ -167,6 +167,7 @@
   <flag name='iothread.poll-max-ns'/>
   <flag name='machine.pseries.cap-nested-hv'/>
   <flag name='memory-backend-file.align'/>
+  <flag name='memory-backend-file.pmem'/>
   <version>3000091</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>437731</microcodeVersion>
diff --git a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
index 6be80ce2db..faafbcdaf0 100644
--- a/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml
@@ -210,6 +210,7 @@
   <flag name='iothread.poll-max-ns'/>
   <flag name='egl-headless.rendernode'/>
   <flag name='memory-backend-file.align'/>
+  <flag name='memory-backend-file.pmem'/>
   <version>3000092</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>440395</microcodeVersion>