diff --git a/mitmproxy/tools/web/app.py b/mitmproxy/tools/web/app.py
index 578af252f..e10623727 100644
--- a/mitmproxy/tools/web/app.py
+++ b/mitmproxy/tools/web/app.py
@@ -284,7 +284,7 @@ class WebSocketEventBroadcaster(tornado.websocket.WebSocketHandler):
     connections: ClassVar[set[WebSocketEventBroadcaster]]
     _send_tasks: ClassVar[set[asyncio.Task]] = set()
 
-    def open(self):
+    def open(self, *args, **kwargs):
         self.connections.add(self)
 
     def on_close(self):
diff --git a/pyproject.toml b/pyproject.toml
index 96e882344..82bbe92fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,14 +75,14 @@ dev = [
     "tox>=4.15.1,<=4.16.0",
     "wheel>=0.36.2,<=0.43",
     "build>=0.10.0,<=1.2.1",
-    "mypy<=1.10.1,>=1.10.1",
+    "mypy>=1.10.1,<=1.11.0",
     "ruff<=0.5.0,>=0.5.0",
     "types-certifi>=2021.10.8.3,<=2021.10.8.3",
     "types-Flask>=1.1.6,<=1.1.6",
     "types-Werkzeug>=1.0.9,<=1.0.9",
-    "types-requests<=2.32.0.20240622,>=2.32.0.20240622",
+    "types-requests>=2.32.0.20240622,<=2.32.0.20240712",
     "types-cryptography>=3.3.23.2,<=3.3.23.2",
-    "types-pyOpenSSL>=23.3.0.0,<=24.1.0.20240425",
+    "types-pyOpenSSL>=23.3.0.0,<=24.1.0.20240722",
 ]
 
 [project.urls]