diff --git a/submodules/TelegramCore/Sources/AccountManager.swift b/submodules/TelegramCore/Sources/AccountManager.swift
index e9da18ff19..b1e3d106d0 100644
--- a/submodules/TelegramCore/Sources/AccountManager.swift
+++ b/submodules/TelegramCore/Sources/AccountManager.swift
@@ -189,21 +189,23 @@ public func rootPathForBasePath(_ appGroupPath: String) -> String {
 }
 
 public func performAppGroupUpgrades(appGroupPath: String, rootPath: String) {
-    let _ = try? FileManager.default.createDirectory(at: URL(fileURLWithPath: rootPath), withIntermediateDirectories: true, attributes: nil)
+    DispatchQueue.global(qos: .default).async {
+        let _ = try? FileManager.default.createDirectory(at: URL(fileURLWithPath: rootPath), withIntermediateDirectories: true, attributes: nil)
 
-    if let items = FileManager.default.enumerator(at: URL(fileURLWithPath: appGroupPath), includingPropertiesForKeys: [.isDirectoryKey], options: [.skipsHiddenFiles, .skipsSubdirectoryDescendants], errorHandler: nil) {
-        let allowedDirectories: [String] = [
-            "telegram-data",
-            "Library"
-        ]
+        if let items = FileManager.default.enumerator(at: URL(fileURLWithPath: appGroupPath), includingPropertiesForKeys: [.isDirectoryKey], options: [.skipsHiddenFiles, .skipsSubdirectoryDescendants], errorHandler: nil) {
+            let allowedDirectories: [String] = [
+                "telegram-data",
+                "Library"
+            ]
 
-        for url in items {
-            guard let url = url as? URL else {
-                continue
-            }
-            if let isDirectory = try? url.resourceValues(forKeys: [.isDirectoryKey]).isDirectory, isDirectory {
-                if !allowedDirectories.contains(url.lastPathComponent) {
-                    let _ = try? FileManager.default.removeItem(at: url)
+            for url in items {
+                guard let url = url as? URL else {
+                    continue
+                }
+                if let isDirectory = try? url.resourceValues(forKeys: [.isDirectoryKey]).isDirectory, isDirectory {
+                    if !allowedDirectories.contains(url.lastPathComponent) {
+                        let _ = try? FileManager.default.removeItem(at: url)
+                    }
                 }
             }
         }
diff --git a/versions.json b/versions.json
index f528daa42c..c2ec49706b 100644
--- a/versions.json
+++ b/versions.json
@@ -1,5 +1,5 @@
 {
-    "app": "7.8.1",
+    "app": "7.9",
     "bazel": "4.0.0",
     "xcode": "12.4"
 }