diff --git a/Sources/mas/AppStore/Downloader.swift b/Sources/mas/AppStore/Downloader.swift
index 5f90035..7e0b338 100644
--- a/Sources/mas/AppStore/Downloader.swift
+++ b/Sources/mas/AppStore/Downloader.swift
@@ -19,7 +19,7 @@ import StoreFoundation
 /// the promise is rejected with the first error, after all remaining downloads are attempted.
 func downloadAll(_ appIDs: [AppID], purchase: Bool = false) -> Promise<Void> {
     var firstError: Error?
-    return appIDs.reduce(Guarantee<Void>.value(())) { previous, appID in
+    return appIDs.reduce(Guarantee.value(())) { previous, appID in
         previous.then {
             downloadWithRetries(appID, purchase: purchase).recover { error in
                 if firstError == nil {
diff --git a/Sources/mas/AppStore/ISStoreAccount.swift b/Sources/mas/AppStore/ISStoreAccount.swift
index 7dcfd30..7758ea4 100644
--- a/Sources/mas/AppStore/ISStoreAccount.swift
+++ b/Sources/mas/AppStore/ISStoreAccount.swift
@@ -14,7 +14,7 @@ extension ISStoreAccount: StoreAccount {
     static var primaryAccount: Promise<ISStoreAccount> {
         if #available(macOS 10.13, *) {
             return race(
-                Promise<ISStoreAccount> { seal in
+                Promise { seal in
                     ISServiceProxy.genericShared().accountService.primaryAccount { storeAccount in
                         seal.fulfill(storeAccount)
                     }