diff --git a/proto/hatch_build.py b/proto/hatch_build.py
index 66cd839ff..ad8130733 100644
--- a/proto/hatch_build.py
+++ b/proto/hatch_build.py
@@ -18,7 +18,6 @@
 
 import os
 import shutil
-import string
 import subprocess
 import sys
 from pathlib import Path
@@ -26,26 +25,6 @@
 
 from hatchling.builders.hooks.plugin.interface import BuildHookInterface
 
-INIT_TEMPLATE = """\
-# Copyright 2022 TIER IV, INC. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-__version__ = version = "${api_version}"
-__version_tuple__ = version_tuple = tuple(version.split("."))
-
-__all__ = ["version", "__version__", "version_tuple", "__version_tuple__"]
-"""
 OUTPUT_BASE = "src"
 
 
@@ -81,12 +60,6 @@ def _protoc_compile(
     subprocess.check_call(cmd, cwd=work_dir)
 
 
-def _generate__init__(api_version: str, *, output_dir: str | Path):
-    template = string.Template(INIT_TEMPLATE)
-    init_file = Path(output_dir) / "__init__.py"
-    init_file.write_text(template.substitute(api_version=api_version))
-
-
 class CustomBuildHook(BuildHookInterface):
     """
     Configs:
@@ -101,7 +74,6 @@ def initialize(self, version: str, build_data: dict[str, Any]) -> None:
 
             output_package = config["output_package"]
             extra_imports = config.get("extra_imports", [])
-            api_version = config.get("api_version", "0.0.0")
 
             # ------ load consts ------ #
             output_base = OUTPUT_BASE
@@ -128,6 +100,3 @@ def initialize(self, version: str, build_data: dict[str, Any]) -> None:
                 output_package=output_package,
                 work_dir=work_dir,
             )
-            _generate__init__(
-                api_version=api_version, output_dir=Path(output_base) / output_package
-            )
diff --git a/proto/pyproject.toml b/proto/pyproject.toml
index 7149ae84b..9dd2e304e 100644
--- a/proto/pyproject.toml
+++ b/proto/pyproject.toml
@@ -8,7 +8,7 @@ requires = [
 
 [project]
 name = "otaclient-pb2"
-version = "0.7.1"
+version = "0.7.2"
 readme = "README.md"
 requires-python = ">=3.8"
 classifiers = [
diff --git a/proto/src/otaclient_pb2/v2/.gitignore b/proto/src/otaclient_pb2/v2/.gitignore
index 79303446b..31c5d8c10 100644
--- a/proto/src/otaclient_pb2/v2/.gitignore
+++ b/proto/src/otaclient_pb2/v2/.gitignore
@@ -1,3 +1,4 @@
+!__init__.py
 *.py
 *.pyi
 *.proto
diff --git a/proto/src/otaclient_pb2/v2/__init__.py b/proto/src/otaclient_pb2/v2/__init__.py
new file mode 100644
index 000000000..9b9645590
--- /dev/null
+++ b/proto/src/otaclient_pb2/v2/__init__.py
@@ -0,0 +1,18 @@
+# Copyright 2022 TIER IV, INC. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__version__ = version = "2.1.0"
+__version_tuple__ = version_tuple = (2, 1, 0)
+
+__all__ = ["version", "__version__", "version_tuple", "__version_tuple__"]