diff --git a/pyproject.toml b/pyproject.toml
index 5303717..b98dabd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "srpcLib"
-version = "1.0.0"
+version = "2.0.0"
 description = "SRPC is a lightweight Remote Procedure Call (RPC) library."
 authors = [{ name="Oseas Andre", email="oseasandrepro@gmail.com" }]
 dependencies = ["pytest>=8.4.1"]
diff --git a/requirements.txt b/requirements.txt
index 1420434..159c150 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ black>=23.9.1
 flake8>=3.4.0
 isort>=5.13.2
 rich>=13.7.0
+msgpack==1.2.1
diff --git a/srpcLib/stub_generator/srpc_server_stub_gen.py b/srpcLib/stub_generator/srpc_server_stub_gen.py
index 5c7748e..34328b5 100644
--- a/srpcLib/stub_generator/srpc_server_stub_gen.py
+++ b/srpcLib/stub_generator/srpc_server_stub_gen.py
@@ -83,7 +83,7 @@ def __handle_request(self, client_socket, client_addr):
                 request_tuple = self.__serializer.deserialize(msg)
                 procedure_name = request_tuple[0]
 
-                if isinstance(request_tuple, tuple):
+                if isinstance(request_tuple, list):
                     self.__logger.info(f"Request: {{request_tuple}} from: {{client_addr[0]}}")
                     start_time = time.time()  # Start time measurement
                     result = self.__call_procedure(request_tuple)
diff --git a/srpcLib/utils/srpc_serializer.py b/srpcLib/utils/srpc_serializer.py
index 1b68c3a..affb757 100644
--- a/srpcLib/utils/srpc_serializer.py
+++ b/srpcLib/utils/srpc_serializer.py
@@ -1,12 +1,12 @@
-import pickle
+import msgpack
 
 from ..interface.srpc_serializer_interface import SrpcSerializerInterface
 
 
 class SrpcSerializer(SrpcSerializerInterface):
     def serialize(self, data):
-        return pickle.dumps(data)
+        return msgpack.packb(data)
 
     def deserialize(self, data):
-        deserialized_data = pickle.loads(data)
+        deserialized_data = msgpack.unpackb(data)
         return deserialized_data