diff --git a/packages/runtime-core/src/index.ts b/packages/runtime-core/src/index.ts
index aebfb640..d39d3083 100644
--- a/packages/runtime-core/src/index.ts
+++ b/packages/runtime-core/src/index.ts
@@ -65,3 +65,4 @@ export {
   DirectiveHook,
   DirectiveArguments
 } from './directives'
+export { SuspenseBoundary } from './suspense'
diff --git a/packages/runtime-dom/src/modules/props.ts b/packages/runtime-dom/src/modules/props.ts
index 05c01806..f7519ac9 100644
--- a/packages/runtime-dom/src/modules/props.ts
+++ b/packages/runtime-dom/src/modules/props.ts
@@ -2,7 +2,7 @@ export function patchDOMProp(
   el: any,
   key: string,
   value: any,
-  // the next 3 args are passed only due to potential innerHTML/textContent
+  // the following args are passed only due to potential innerHTML/textContent
   // overriding existing VNodes, in which case the old tree must be properly
   // unmounted.
   prevChildren: any,
diff --git a/packages/runtime-dom/src/patchProp.ts b/packages/runtime-dom/src/patchProp.ts
index a634cd98..82b84f1f 100644
--- a/packages/runtime-dom/src/patchProp.ts
+++ b/packages/runtime-dom/src/patchProp.ts
@@ -4,7 +4,11 @@ import { patchAttr } from './modules/attrs'
 import { patchDOMProp } from './modules/props'
 import { patchEvent } from './modules/events'
 import { isOn } from '@vue/shared'
-import { VNode, ComponentInternalInstance } from '@vue/runtime-core'
+import {
+  VNode,
+  ComponentInternalInstance,
+  SuspenseBoundary
+} from '@vue/runtime-core'
 
 export function patchProp(
   el: Element,
@@ -14,6 +18,7 @@ export function patchProp(
   isSVG: boolean,
   prevChildren?: VNode[],
   parentComponent?: ComponentInternalInstance,
+  parentSuspense?: SuspenseBoundary<Node, Element>,
   unmountChildren?: any
 ) {
   switch (key) {
@@ -40,6 +45,7 @@ export function patchProp(
           nextValue,
           prevChildren,
           parentComponent,
+          parentSuspense,
           unmountChildren
         )
       } else {