diff --git a/projects/fal/src/fal/workflows.py b/projects/fal/src/fal/workflows.py
index 087814a1..f193d52a 100644
--- a/projects/fal/src/fal/workflows.py
+++ b/projects/fal/src/fal/workflows.py
@@ -5,7 +5,7 @@
 from argparse import ArgumentParser
 from collections import Counter
 from dataclasses import dataclass, field
-from typing import Any, Iterator, Union, cast
+from typing import Any, Dict, Iterator, List, Union, cast
 
 import graphlib
 import rich
@@ -21,8 +21,8 @@
 from fal.exceptions import FalServerlessException
 from fal.rest_client import REST_CLIENT
 
-JSONType = Union[dict[str, Any], list[Any], str, int, float, bool, None, "Leaf"]
-SchemaType = dict[str, Any]
+JSONType = Union[Dict[str, Any], List[Any], str, int, float, bool, None, "Leaf"]
+SchemaType = Dict[str, Any]
 
 VARIABLE_PREFIX = "$"
 INPUT_VARIABLE_NAME = "input"
diff --git a/projects/fal/tests/cli/test_run.py b/projects/fal/tests/cli/test_run.py
index 05c88e34..542087e6 100644
--- a/projects/fal/tests/cli/test_run.py
+++ b/projects/fal/tests/cli/test_run.py
@@ -1,3 +1,4 @@
+from typing import Optional, Tuple
 from unittest.mock import MagicMock, patch
 
 import pytest
@@ -34,7 +35,7 @@ def mocked_fal_serverless_host(host):
     return mock
 
 
-def mock_args(host, func_ref: tuple[str]):
+def mock_args(host, func_ref: Tuple[str, Optional[str]]):
     args = MagicMock()
     args.host = host
     args.func_ref = func_ref
diff --git a/projects/fal/tests/test_apps.py b/projects/fal/tests/test_apps.py
index 6e17a5a1..4a6fa73b 100644
--- a/projects/fal/tests/test_apps.py
+++ b/projects/fal/tests/test_apps.py
@@ -5,7 +5,7 @@
 import time
 from contextlib import contextmanager, suppress
 from datetime import datetime
-from typing import Generator
+from typing import Generator, List, Tuple
 
 import fal
 import fal.api as api
@@ -224,7 +224,7 @@ class RTOutput(BaseModel):
 
 
 class RTOutputs(BaseModel):
-    texts: list[str]
+    texts: List[str]
 
 
 class RealtimeApp(fal.App, keep_alive=300, max_concurrency=1):
@@ -252,7 +252,7 @@ def generate_rt_batched(self, input: RTInput, *inputs: RTInput) -> RTOutputs:
 
 
 @pytest.fixture(scope="module")
-def aliased_app() -> Generator[tuple[str, str], None, None]:
+def aliased_app() -> Generator[Tuple[str, str], None, None]:
     # Create a temporary app, register it, and return the ID of it.
 
     import uuid
@@ -516,7 +516,7 @@ def test_404_response(test_app: str, request: pytest.FixtureRequest):
         apps.run(test_app, path="/other", arguments={"lhs": 1, "rhs": 2})
 
 
-def test_app_deploy_scale(aliased_app: tuple[str, str]):
+def test_app_deploy_scale(aliased_app: Tuple[str, str]):
     import uuid
     from dataclasses import replace
 
@@ -558,7 +558,7 @@ def test_app_deploy_scale(aliased_app: tuple[str, str]):
         assert found.max_multiplexing == 30
 
 
-def test_app_update_app(aliased_app: tuple[str, str]):
+def test_app_update_app(aliased_app: Tuple[str, str]):
     app_revision, app_alias = aliased_app
 
     host: api.FalServerlessHost = addition_app.host  # type: ignore
@@ -608,7 +608,7 @@ def test_app_update_app(aliased_app: tuple[str, str]):
         assert res.max_multiplexing == new_max_multiplexing
 
 
-def test_app_set_delete_alias(aliased_app: tuple[str, str]):
+def test_app_set_delete_alias(aliased_app: Tuple[str, str]):
     app_revision, app_alias = aliased_app
 
     host: api.FalServerlessHost = addition_app.host  # type: ignore