diff --git a/slack_sdk/web/async_client.py b/slack_sdk/web/async_client.py
index d2631b5fe..b92a3c9f1 100644
--- a/slack_sdk/web/async_client.py
+++ b/slack_sdk/web/async_client.py
@@ -14,7 +14,7 @@
 import os
 import warnings
 from io import IOBase
-from typing import Any, Dict, List, Optional, Sequence, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Sequence, Union
 
 import slack_sdk.errors as e
 from slack_sdk.models.messages.chunk import Chunk
@@ -35,6 +35,21 @@
     _warn_if_message_text_content_is_missing,
 )
 
+if TYPE_CHECKING:
+    try:
+        from typing import Literal, TypedDict
+    except ImportError:
+        from typing_extensions import Literal, TypedDict
+
+    class AdminAppsConfigSetDomainRestrictions(TypedDict, total=False):
+        urls: Sequence[str]
+        emails: Sequence[str]
+
+    AdminAppsConfigSetWorkflowAuthStrategy = Literal["builder_choice", "end_user_strategy"]
+else:
+    AdminAppsConfigSetDomainRestrictions = Dict[str, Any]
+    AdminAppsConfigSetWorkflowAuthStrategy = str
+
 
 class AsyncWebClient(AsyncBaseClient):
     """A WebClient allows apps to communicate with the Slack Platform's Web API.
@@ -375,8 +390,8 @@ async def admin_apps_config_set(
         self,
         *,
         app_id: str,
-        domain_restrictions: Optional[Dict[str, Any]] = None,
-        workflow_auth_strategy: Optional[str] = None,
+        domain_restrictions: Optional[AdminAppsConfigSetDomainRestrictions] = None,
+        workflow_auth_strategy: Optional[AdminAppsConfigSetWorkflowAuthStrategy] = None,
         **kwargs,
     ) -> AsyncSlackResponse:
         """Set the app config for a connector.
diff --git a/slack_sdk/web/client.py b/slack_sdk/web/client.py
index 743dd7842..bb1736f3e 100644
--- a/slack_sdk/web/client.py
+++ b/slack_sdk/web/client.py
@@ -4,7 +4,7 @@
 import os
 import warnings
 from io import IOBase
-from typing import Any, Dict, List, Optional, Sequence, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Sequence, Union
 
 import slack_sdk.errors as e
 from slack_sdk.models.messages.chunk import Chunk
@@ -25,6 +25,21 @@
     _warn_if_message_text_content_is_missing,
 )
 
+if TYPE_CHECKING:
+    try:
+        from typing import Literal, TypedDict
+    except ImportError:
+        from typing_extensions import Literal, TypedDict
+
+    class AdminAppsConfigSetDomainRestrictions(TypedDict, total=False):
+        urls: Sequence[str]
+        emails: Sequence[str]
+
+    AdminAppsConfigSetWorkflowAuthStrategy = Literal["builder_choice", "end_user_strategy"]
+else:
+    AdminAppsConfigSetDomainRestrictions = Dict[str, Any]
+    AdminAppsConfigSetWorkflowAuthStrategy = str
+
 
 class WebClient(BaseClient):
     """A WebClient allows apps to communicate with the Slack Platform's Web API.
@@ -365,8 +380,8 @@ def admin_apps_config_set(
         self,
         *,
         app_id: str,
-        domain_restrictions: Optional[Dict[str, Any]] = None,
-        workflow_auth_strategy: Optional[str] = None,
+        domain_restrictions: Optional[AdminAppsConfigSetDomainRestrictions] = None,
+        workflow_auth_strategy: Optional[AdminAppsConfigSetWorkflowAuthStrategy] = None,
         **kwargs,
     ) -> SlackResponse:
         """Set the app config for a connector.
diff --git a/slack_sdk/web/legacy_client.py b/slack_sdk/web/legacy_client.py
index 4654c1f51..85ad7b9c1 100644
--- a/slack_sdk/web/legacy_client.py
+++ b/slack_sdk/web/legacy_client.py
@@ -16,7 +16,7 @@
 import os
 import warnings
 from io import IOBase
-from typing import Any, Dict, List, Optional, Sequence, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Sequence, Union
 
 import slack_sdk.errors as e
 from slack_sdk.models.messages.chunk import Chunk
@@ -36,6 +36,21 @@
     _warn_if_message_text_content_is_missing,
 )
 
+if TYPE_CHECKING:
+    try:
+        from typing import Literal, TypedDict
+    except ImportError:
+        from typing_extensions import Literal, TypedDict
+
+    class AdminAppsConfigSetDomainRestrictions(TypedDict, total=False):
+        urls: Sequence[str]
+        emails: Sequence[str]
+
+    AdminAppsConfigSetWorkflowAuthStrategy = Literal["builder_choice", "end_user_strategy"]
+else:
+    AdminAppsConfigSetDomainRestrictions = Dict[str, Any]
+    AdminAppsConfigSetWorkflowAuthStrategy = str
+
 
 class LegacyWebClient(LegacyBaseClient):
     """A WebClient allows apps to communicate with the Slack Platform's Web API.
@@ -376,8 +391,8 @@ def admin_apps_config_set(
         self,
         *,
         app_id: str,
-        domain_restrictions: Optional[Dict[str, Any]] = None,
-        workflow_auth_strategy: Optional[str] = None,
+        domain_restrictions: Optional[AdminAppsConfigSetDomainRestrictions] = None,
+        workflow_auth_strategy: Optional[AdminAppsConfigSetWorkflowAuthStrategy] = None,
         **kwargs,
     ) -> Union[Future, SlackResponse]:
         """Set the app config for a connector.
diff --git a/tests/slack_sdk_async/web/test_web_client_coverage.py b/tests/slack_sdk_async/web/test_web_client_coverage.py
index 9e5a58ae8..93998afcf 100644
--- a/tests/slack_sdk_async/web/test_web_client_coverage.py
+++ b/tests/slack_sdk_async/web/test_web_client_coverage.py
@@ -127,8 +127,19 @@ async def run_method(self, method_name, method, async_method):
                 self.api_methods_to_call.remove(method(app_ids=["A111"])["method"])
                 await async_method(app_ids=["A111"])
             elif method_name == "admin_apps_config_set":
-                self.api_methods_to_call.remove(method(app_id="A111")["method"])
-                await async_method(app_id="A111")
+                domain_restrictions = {"urls": ["https://example.com"], "emails": ["admin@example.com"]}
+                self.api_methods_to_call.remove(
+                    method(
+                        app_id="A111",
+                        domain_restrictions=domain_restrictions,
+                        workflow_auth_strategy="builder_choice",
+                    )["method"]
+                )
+                await async_method(
+                    app_id="A111",
+                    domain_restrictions=domain_restrictions,
+                    workflow_auth_strategy="end_user_strategy",
+                )
             elif method_name == "admin_auth_policy_getEntities":
                 self.api_methods_to_call.remove(method(policy_name="policyname")["method"])
                 await async_method(policy_name="policyname")