diff --git a/core/scanner.py b/core/scanner.py
index 0a54d22..6571a6e 100644
--- a/core/scanner.py
+++ b/core/scanner.py
@@ -82,6 +82,32 @@ class Scanner:
             traceback.print_exc()
             raise
 
+    def __getstate__(self):
+        """Prepare object for pickling by excluding unpicklable attributes."""
+        state = self.__dict__.copy()
+        
+        # Remove unpicklable threading objects
+        unpicklable_attrs = [
+            'stop_event',
+            'scan_thread', 
+            'executor'
+        ]
+        
+        for attr in unpicklable_attrs:
+            if attr in state:
+                del state[attr]
+        
+        return state
+
+    def __setstate__(self, state):
+        """Restore object after unpickling by reconstructing threading objects."""
+        self.__dict__.update(state)
+        
+        # Reconstruct threading objects
+        self.stop_event = threading.Event()
+        self.scan_thread = None
+        self.executor = None
+
     def _initialize_providers(self) -> None:
         """Initialize all available providers based on session configuration."""
         self.providers = []
diff --git a/core/session_manager.py b/core/session_manager.py
index d8b74a3..6e53f2a 100644
--- a/core/session_manager.py
+++ b/core/session_manager.py
@@ -34,17 +34,21 @@ class SessionManager:
         print(f"SessionManager initialized with Redis backend and {session_timeout_minutes}min timeout")
     
     def __getstate__(self):
+        """Prepare SessionManager for pickling."""
         state = self.__dict__.copy()
-        # Exclude the unpickleable 'lock' and 'cleanup_thread' attributes
-        if 'lock' in state:
-            del state['lock']
-        if 'cleanup_thread' in state:
-            del state['cleanup_thread']
+        # Exclude unpickleable attributes - Redis client and threading objects
+        unpicklable_attrs = ['lock', 'cleanup_thread', 'redis_client']
+        for attr in unpicklable_attrs:
+            if attr in state:
+                del state[attr]
         return state
 
     def __setstate__(self, state):
+        """Restore SessionManager after unpickling."""
         self.__dict__.update(state)
-        # Re-initialize the 'lock' and 'cleanup_thread' attributes
+        # Re-initialize unpickleable attributes
+        import redis
+        self.redis_client = redis.StrictRedis(db=0, decode_responses=False)
         self.lock = threading.Lock()
         self.cleanup_thread = threading.Thread(target=self._cleanup_loop, daemon=True)
         self.cleanup_thread.start()
diff --git a/providers/base_provider.py b/providers/base_provider.py
index 9679f45..8c63106 100644
--- a/providers/base_provider.py
+++ b/providers/base_provider.py
@@ -26,6 +26,14 @@ class RateLimiter:
         self.min_interval = 60.0 / requests_per_minute
         self.last_request_time = 0
 
+    def __getstate__(self):
+        """RateLimiter is fully picklable, return full state."""
+        return self.__dict__.copy()
+
+    def __setstate__(self, state):
+        """Restore RateLimiter state."""
+        self.__dict__.update(state)
+
     def wait_if_needed(self) -> None:
         """Wait if necessary to respect rate limits."""
         current_time = time.time()