diff --git a/backend_py/src/services/cameras/drivers/registry.py b/backend_py/src/services/cameras/drivers/registry.py
index 5958264b..bd395cde 100644
--- a/backend_py/src/services/cameras/drivers/registry.py
+++ b/backend_py/src/services/cameras/drivers/registry.py
@@ -48,7 +48,9 @@ class DeviceMetadata:
     (0x3961, 0x1102): DeviceMetadata("stellarHD (F)", DeviceType.STELLARHD_FOLLOWER),
     # explore3D
     (0x3961, 0x3112): DeviceMetadata("explore3D (Left)", DeviceType.STELLARHD_FOLLOWER),
-    (0x3961, 0x3111): DeviceMetadata("explore3D (Right)", DeviceType.STELLARHD_FOLLOWER),
+    (0x3961, 0x3111): DeviceMetadata(
+        "explore3D (Right)", DeviceType.STELLARHD_FOLLOWER
+    ),
 }
 
 
diff --git a/backend_py/src/services/network/async_network_manager.py b/backend_py/src/services/network/async_network_manager.py
index 2572465a..812741ab 100644
--- a/backend_py/src/services/network/async_network_manager.py
+++ b/backend_py/src/services/network/async_network_manager.py
@@ -434,7 +434,7 @@ def get_compatible_profiles(
         """
         Get a list of compatible profiles for a given wired device
         """
-        compatible_profiles = []
+        compatible_profiles: list[tuple[ConnectionProfile, int]] = []
 
         for profile in self.profiles.values():
             settings = profile.settings_dict
@@ -451,13 +451,13 @@ def get_compatible_profiles(
 
             # TODO: mac filtering
 
-            timestamp = connection_settings.get("timestamp", 0)
+            timestamp: int = connection_settings.get("timestamp", 0)
 
-            compatible_profiles.append({"profile": profile, "timestamp": timestamp})
+            compatible_profiles.append((profile, timestamp))
 
-        compatible_profiles.sort(key=lambda x: x["timestamp"], reverse=True)
+        compatible_profiles.sort(key=lambda x: x[1], reverse=True)
 
-        return [p["profile"] for p in compatible_profiles]
+        return [p[0] for p in compatible_profiles]
 
     def get_profile(self, path: str) -> ConnectionProfile | None:
         """
diff --git a/run_release.py b/run_release.py
index cf0367ea..f2360f7e 100755
--- a/run_release.py
+++ b/run_release.py
@@ -1,6 +1,7 @@
 import argparse
 import asyncio
 import os
+from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
 
 import socketio
@@ -17,7 +18,7 @@
 
 # Define events
 @asynccontextmanager
-async def lifespan(app: FastAPI):
+async def lifespan(app: FastAPI) -> AsyncIterator[None]:
     await server.serve()
     yield
     print("Shutting down server...")
@@ -86,7 +87,7 @@ async def lifespan(app: FastAPI):
 
     # Register as a BlueOS extension
     @app.get("/register_service")
-    async def register_service():
+    async def register_service() -> JSONResponse:
         return JSONResponse(content=blueos_extension)
 
     # Do API mounting before static mounting
@@ -94,11 +95,11 @@ async def register_service():
     app.mount("/", StaticFiles(directory=FRONTEND_DIR, html=True), name="static")
 
     @app.exception_handler(404)
-    async def not_found(request: Request, exc: HTTPException):
+    async def not_found(request: Request, exc: HTTPException) -> FileResponse:
         """Serve index.html for any unknown paths (Frontend Routing Support)"""
         return FileResponse(os.path.join(FRONTEND_DIR, "index.html"))
 
-    async def main():
+    async def main() -> None:
         config = uvicorn.Config(asgi_app, host="0.0.0.0", port=args.port)
         server = uvicorn.Server(config)
         await server.serve()
diff --git a/update_versioning.py b/update_versioning.py
index bf6eac68..364468bb 100644
--- a/update_versioning.py
+++ b/update_versioning.py
@@ -19,7 +19,7 @@
 #     return None
 
 
-def get_new_tag():
+def get_new_tag() -> str | None:
     try:
         new_tag = input("Enter a new tag name: ")
         if new_tag == "":
@@ -29,9 +29,9 @@ def get_new_tag():
         return None
 
 
-def update_version_json(new_version):
+def update_version_json(new_version) -> None:
     # Load the current package.json file
-    with open(VERSION_FILE_PATH, "r") as f:
+    with open(VERSION_FILE_PATH) as f:
         data = json.load(f)
 
     # Update the version string