diff --git a/ts/background.ts b/ts/background.ts
index aace9988c..d4dc993ca 100644
--- a/ts/background.ts
+++ b/ts/background.ts
@@ -2226,6 +2226,7 @@ export async function startApp(): Promise<void> {
               senderKey: true,
               changeNumber: true,
               stories: true,
+              pnpChangeNumber: true,
             }),
             updateOurUsernameAndPni(),
           ]);
diff --git a/ts/textsecure/WebAPI.ts b/ts/textsecure/WebAPI.ts
index e535bb07e..98e2b56da 100644
--- a/ts/textsecure/WebAPI.ts
+++ b/ts/textsecure/WebAPI.ts
@@ -649,6 +649,7 @@ export type CapabilitiesType = {
   senderKey: boolean;
   changeNumber: boolean;
   stories: boolean;
+  pnpChangeNumber: boolean;
 };
 export type CapabilitiesUploadType = {
   announcementGroup: true;
@@ -658,6 +659,7 @@ export type CapabilitiesUploadType = {
   senderKey: true;
   changeNumber: true;
   stories: true;
+  pnpChangeNumber: true;
 };
 
 type StickerPackManifestType = Uint8Array;
@@ -1842,6 +1844,7 @@ export function initialize({
         senderKey: true,
         changeNumber: true,
         stories: true,
+        pnpChangeNumber: true,
       };
 
       const { accessKey } = options;