diff --git a/docs/references.md b/docs/references.md
index 04a0f7d..0c57b93 100644
--- a/docs/references.md
+++ b/docs/references.md
@@ -829,6 +829,8 @@ alias of `rpc_pb2.DeleteRangeRequest`
 
 ### _class_ etcetra.types.EtcdLockOption(lock_name: 'str', timeout: 'Optional[float]', ttl: 'Optional[int]')
 
+### _class_ etcetra.types.EtcdLockOptionV2(lock_name: 'bytes', timeout: 'Optional[float]', ttl: 'Optional[int]')
+
 ### _class_ etcetra.types.HostPortPair(host: 'str', port: 'int')
 
 ### etcetra.types.PutRequestType()
diff --git a/src/etcetra/__init__.py b/src/etcetra/__init__.py
index 10b7589..d85ec40 100644
--- a/src/etcetra/__init__.py
+++ b/src/etcetra/__init__.py
@@ -4,12 +4,10 @@
 
 __all__ = (
     *_client.__all__,
-    *_client_v2.__all__,
     *_types.__all__,
 )
 
 from .client import *  # noqa
-from .client_v2 import * # noqa
 from .types import *  # noqa
 
 __version__ = '0.1.18'
diff --git a/src/etcetra/client_v2.py b/src/etcetra/client_v2.py
index d7f4144..1d10dc5 100644
--- a/src/etcetra/client_v2.py
+++ b/src/etcetra/client_v2.py
@@ -24,7 +24,7 @@
 from .grpc_api import rpc_pb2, rpc_pb2_grpc
 from .grpc_api import v3lock_pb2, v3lock_pb2_grpc
 from .types import (
-    DeleteRangeRequestType, EtcdCredential, EtcdLockOption, HostPortPair,
+    DeleteRangeRequestType, EtcdCredential, EtcdLockOptionV2 as EtcdLockOption, HostPortPair,
     PutRequestType, RangeRequestSortOrder, RangeRequestSortTarget, RangeRequestType,
     TransactionRequest, TxnReturnType, TxnReturnValues, WatchCreateRequestFilterType,
     WatchEvent, WatchEventType,
@@ -130,7 +130,7 @@ def connect(self) -> EtcdConnectionManager:
 
     def with_lock(
         self,
-        lock_name: str,
+        lock_name: bytes,
         timeout: Optional[float] = None,
         ttl: Optional[int] = None,
     ) -> EtcdConnectionManager:
diff --git a/src/etcetra/types.py b/src/etcetra/types.py
index 78d153c..effef85 100644
--- a/src/etcetra/types.py
+++ b/src/etcetra/types.py
@@ -189,3 +189,9 @@ class EtcdLockOption:
     lock_name: str
     timeout: Optional[float]
     ttl: Optional[int]
+
+@dataclass
+class EtcdLockOptionV2:
+    lock_name: bytes
+    timeout: Optional[float]
+    ttl: Optional[int]