diff --git a/tests/test_fixture_replay.py b/tests/test_fixture_replay.py
index 3b28bdfd..076788ae 100644
--- a/tests/test_fixture_replay.py
+++ b/tests/test_fixture_replay.py
@@ -15,6 +15,7 @@
 
 import hashlib
 import hmac
+import inspect
 import json
 import time
 from typing import Any
@@ -137,8 +138,20 @@ def _teams_skip_auth():
 
     real_initialize = HttpServer.initialize
 
-    def _initialize_skip_auth(self, credentials=None, skip_auth=False, cloud=None):
-        return real_initialize(self, credentials=credentials, skip_auth=True, cloud=cloud)
+    # microsoft-teams-apps 2.0.14+ renamed the SDK's ``skip_auth`` flag to
+    # ``dangerously_allow_unauthenticated_requests``; force whichever flag this
+    # version has and forward everything else untouched (the SDK calls
+    # ``initialize`` with keywords only).
+    skip_flag = (
+        "dangerously_allow_unauthenticated_requests"
+        if "dangerously_allow_unauthenticated_requests" in inspect.signature(real_initialize).parameters
+        else "skip_auth"
+    )
+
+    def _initialize_skip_auth(self, *args, **kwargs):
+        kwargs.pop("skip_auth", None)
+        kwargs.pop("dangerously_allow_unauthenticated_requests", None)
+        return real_initialize(self, *args, **{**kwargs, skip_flag: True})
 
     return patch.object(HttpServer, "initialize", _initialize_skip_auth)
 
diff --git a/tests/test_teams_adapter.py b/tests/test_teams_adapter.py
index a70da72e..9f33190b 100644
--- a/tests/test_teams_adapter.py
+++ b/tests/test_teams_adapter.py
@@ -5,6 +5,7 @@
 
 from __future__ import annotations
 
+import inspect
 import re
 from datetime import datetime, timezone
 from unittest.mock import AsyncMock, MagicMock
@@ -817,8 +818,20 @@ def _skip_jwt(self, monkeypatch):
 
         real_initialize = HttpServer.initialize
 
-        def _initialize_skip_auth(self, credentials=None, skip_auth=False, cloud=None):
-            return real_initialize(self, credentials=credentials, skip_auth=True, cloud=cloud)
+        # microsoft-teams-apps 2.0.14+ renamed the SDK's ``skip_auth`` flag to
+        # ``dangerously_allow_unauthenticated_requests``; force whichever flag this
+        # version has and forward everything else untouched (the SDK calls
+        # ``initialize`` with keywords only).
+        skip_flag = (
+            "dangerously_allow_unauthenticated_requests"
+            if "dangerously_allow_unauthenticated_requests" in inspect.signature(real_initialize).parameters
+            else "skip_auth"
+        )
+
+        def _initialize_skip_auth(self, *args, **kwargs):
+            kwargs.pop("skip_auth", None)
+            kwargs.pop("dangerously_allow_unauthenticated_requests", None)
+            return real_initialize(self, *args, **{**kwargs, skip_flag: True})
 
         monkeypatch.setattr(HttpServer, "initialize", _initialize_skip_auth)
 
diff --git a/tests/test_teams_coverage.py b/tests/test_teams_coverage.py
index 71675c5e..d6cfb89a 100644
--- a/tests/test_teams_coverage.py
+++ b/tests/test_teams_coverage.py
@@ -17,6 +17,7 @@
 
 from __future__ import annotations
 
+import inspect
 import json
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
@@ -57,8 +58,20 @@ def _skip_teams_jwt(monkeypatch):
 
     real_initialize = HttpServer.initialize
 
-    def _initialize_skip_auth(self, credentials=None, skip_auth=False, cloud=None):
-        return real_initialize(self, credentials=credentials, skip_auth=True, cloud=cloud)
+    # microsoft-teams-apps 2.0.14+ renamed the SDK's ``skip_auth`` flag to
+    # ``dangerously_allow_unauthenticated_requests``; force whichever flag this
+    # version has and forward everything else untouched (the SDK calls
+    # ``initialize`` with keywords only).
+    skip_flag = (
+        "dangerously_allow_unauthenticated_requests"
+        if "dangerously_allow_unauthenticated_requests" in inspect.signature(real_initialize).parameters
+        else "skip_auth"
+    )
+
+    def _initialize_skip_auth(self, *args, **kwargs):
+        kwargs.pop("skip_auth", None)
+        kwargs.pop("dangerously_allow_unauthenticated_requests", None)
+        return real_initialize(self, *args, **{**kwargs, skip_flag: True})
 
     monkeypatch.setattr(HttpServer, "initialize", _initialize_skip_auth)
 
diff --git a/tests/test_teams_extended.py b/tests/test_teams_extended.py
index 171d9195..5b057f06 100644
--- a/tests/test_teams_extended.py
+++ b/tests/test_teams_extended.py
@@ -15,6 +15,7 @@
 
 from __future__ import annotations
 
+import inspect
 import json
 from datetime import datetime
 from typing import Any
@@ -63,8 +64,20 @@ def _skip_teams_jwt(monkeypatch):
 
     real_initialize = HttpServer.initialize
 
-    def _initialize_skip_auth(self, credentials=None, skip_auth=False, cloud=None):
-        return real_initialize(self, credentials=credentials, skip_auth=True, cloud=cloud)
+    # microsoft-teams-apps 2.0.14+ renamed the SDK's ``skip_auth`` flag to
+    # ``dangerously_allow_unauthenticated_requests``; force whichever flag this
+    # version has and forward everything else untouched (the SDK calls
+    # ``initialize`` with keywords only).
+    skip_flag = (
+        "dangerously_allow_unauthenticated_requests"
+        if "dangerously_allow_unauthenticated_requests" in inspect.signature(real_initialize).parameters
+        else "skip_auth"
+    )
+
+    def _initialize_skip_auth(self, *args, **kwargs):
+        kwargs.pop("skip_auth", None)
+        kwargs.pop("dangerously_allow_unauthenticated_requests", None)
+        return real_initialize(self, *args, **{**kwargs, skip_flag: True})
 
     monkeypatch.setattr(HttpServer, "initialize", _initialize_skip_auth)