diff --git a/src/debugpy/server/cli.py b/src/debugpy/server/cli.py
index 0fc5e255..a9c442f9 100644
--- a/src/debugpy/server/cli.py
+++ b/src/debugpy/server/cli.py
@@ -8,6 +8,9 @@ import re
 import sys
 from importlib.util import find_spec
 from typing import Any
+from typing import Union
+from typing import Tuple
+from typing import Dict
 
 # debugpy.__main__ should have preloaded pydevd properly before importing this module.
 # Otherwise, some stdlib modules above might have had imported threading before pydevd
@@ -43,14 +46,14 @@ Usage: debugpy --listen | --connect
 
 class Options(object):
     mode = None
-    address: "tuple[str, int] | None" = None
+    address: Union[Tuple[str, int], None] = None
     log_to = None
     log_to_stderr = False
-    target: str  | None = None
-    target_kind: str | None = None
+    target: Union[str, None] = None
+    target_kind: Union[str, None] = None
     wait_for_client = False
     adapter_access_token = None
-    config: "dict[str, Any]" = {}
+    config: Dict[str, Any] = {}
 
 
 options = Options()