diff --git a/client/python/gamium/gamium/tcp_gamium_service.py b/client/python/gamium/gamium/tcp_gamium_service.py
index 45f5e07..4693026 100644
--- a/client/python/gamium/gamium/tcp_gamium_service.py
+++ b/client/python/gamium/gamium/tcp_gamium_service.py
@@ -61,8 +61,8 @@ def connect(self, try_count: int = 30) -> HelloResultT:
         raise Exception(f"Failed to connect to {self._host}:{self._port}")
 
     def disconnect(self):
-        self._socket.close()
         self._is_connected = False
+        self._socket.close()
 
     def request(self, packet: PacketTypes[P, R], timeout_ms: int = 0) -> R:
         if 0 == timeout_ms:
@@ -81,19 +81,22 @@ def request(self, packet: PacketTypes[P, R], timeout_ms: int = 0) -> R:
             self._socket.sendall(builder.Output())
         except socket.error as e:
             self._logger.error(f"Failed to send request: {e}")
+            self.disconnect()
             raise e
 
         try:
             while True:
                 data = self._socket.recv(1024)
+                if len(data) == 0:
+                    self.disconnect()
                 self._recv_queue.pushBuffer(data)
                 if self._recv_queue.has():
                     break
             return self.pop_message(req)
 
-        except Exception as e:
-            self._logger.error(f"Failed to receive response: {e}")
+        except ConnectionResetError:
             self.disconnect()
+        except Exception as e:
             raise e
 
         return data
diff --git a/client/python/gamium/pyproject.toml b/client/python/gamium/pyproject.toml
index 00acf2b..cb9d487 100644
--- a/client/python/gamium/pyproject.toml
+++ b/client/python/gamium/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gamium"
-version = "2.0.4"
+version = "2.0.5"
 description = ""
 authors = ["dogu"]
 readme = "README.md"
diff --git a/client/typescript/gamium/package.json b/client/typescript/gamium/package.json
index 6e445ae..7d9153f 100644
--- a/client/typescript/gamium/package.json
+++ b/client/typescript/gamium/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gamium",
-  "version": "2.0.4",
+  "version": "2.0.5",
   "description": "Gamium is an SDK that allows you to automate gameplay",
   "license": "MIT",
   "author": "dogu",
diff --git a/engine/unity/package.json b/engine/unity/package.json
index 5c50b14..8508005 100644
--- a/engine/unity/package.json
+++ b/engine/unity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.dogu.gamium.engine.unity",
-  "version": "2.0.3",
+  "version": "2.0.5",
   "description": "gamium unity server package",
   "license": "MIT",
   "author": "gamium",