diff --git a/scripts/fbt/appmanifest.py b/scripts/fbt/appmanifest.py
index ed1654e36..eb265cee8 100644
--- a/scripts/fbt/appmanifest.py
+++ b/scripts/fbt/appmanifest.py
@@ -1,7 +1,7 @@
 import os
 from dataclasses import dataclass, field
 from enum import Enum
-from typing import Callable, List, Optional, Tuple
+from typing import Callable, List, Optional, Tuple, Union
 
 
 class FlipperManifestException(Exception):
@@ -56,7 +56,7 @@ class FlipperApplication:
 
     # .fap-specific
     sources: List[str] = field(default_factory=lambda: ["*.c*"])
-    fap_version: str | Tuple[int] = "0.1"
+    fap_version: Union[str, Tuple[int]] = "0.1"
     fap_icon: Optional[str] = None
     fap_libs: List[str] = field(default_factory=list)
     fap_category: str = ""