diff --git a/build-shims.js b/build-shims.js
index a601004..de3a67c 100644
--- a/build-shims.js
+++ b/build-shims.js
@@ -35,7 +35,8 @@ mockery.registerMock('@zimbra-client/util', {
 	filterNonInsertableCalendars: 1,
 	closeEventTabThunk: 1,
 	htmlEncode: 1,
-	getElectron: 1
+	getElectron: 1,
+	closeNotification: 1
 });
 
 mockery.registerMock('@zimbra-client/browser', {
@@ -66,6 +67,7 @@ mockery.registerMock('preact-pwa-install', {
 mockery.registerMock('@zimbra-client/graphql', {
 	AppointmentsQuery: 1,
 	CalendarsAndAppointmentsQuery: 1,
+	GetCustomMetadataQuery: 1,
 	GetDocumentShareURLQuery: 1,
 	GetMailboxMetadataQuery: 1,
 	GetFilterRules: 1,
diff --git a/src/shims/@zimbra-client/graphql/index.js b/src/shims/@zimbra-client/graphql/index.js
index 5f87129..3f49ca5 100644
--- a/src/shims/@zimbra-client/graphql/index.js
+++ b/src/shims/@zimbra-client/graphql/index.js
@@ -9,6 +9,7 @@ const wrap = warnOnMissingExport.bind(null, global.shims['@zimbra-client/graphql
 
 export const AppointmentsQuery = wrap('AppointmentsQuery');
 export const CalendarsAndAppointmentsQuery = wrap('CalendarsAndAppointmentsQuery');
+export const GetCustomMetadataQuery = wrap('GetCustomMetadataQuery');
 export const GetDocumentShareURLQuery = wrap('GetDocumentShareURLQuery');
 export const GetMailboxMetadataQuery = wrap('GetMailboxMetadataQuery');
 export const GetFilterRules = wrap('GetFilterRules');
diff --git a/src/shims/@zimbra-client/util/index.js b/src/shims/@zimbra-client/util/index.js
index 82d50e7..fdaa86c 100644
--- a/src/shims/@zimbra-client/util/index.js
+++ b/src/shims/@zimbra-client/util/index.js
@@ -24,5 +24,6 @@ export const filterNonInsertableCalendars = wrap('filterNonInsertableCalendars')
 export const closeEventTabThunk = wrap('closeEventTabThunk');
 export const htmlEncode = wrap('htmlEncode');
 export const getElectron = wrap('getElectron');
+export const closeNotification = wrap('closeNotification');
 
 export default global.shims['@zimbra-client/util'];