diff --git a/setup_utils/__init__.py b/pypaimon/__init__.py
similarity index 91%
rename from setup_utils/__init__.py
rename to pypaimon/__init__.py
index 27dc0ac..6eff775 100644
--- a/setup_utils/__init__.py
+++ b/pypaimon/__init__.py
@@ -14,6 +14,11 @@
 #  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.
-################################################################################
+#################################################################################
+
+from .api import Schema
+
+__all__ = [
+    'Schema',
 
-"""This module only contains utils for setup and won't be packaged."""
+]
diff --git a/paimon_python_api/__init__.py b/pypaimon/api/__init__.py
similarity index 100%
rename from paimon_python_api/__init__.py
rename to pypaimon/api/__init__.py
diff --git a/paimon_python_api/catalog.py b/pypaimon/api/catalog.py
similarity index 97%
rename from paimon_python_api/catalog.py
rename to pypaimon/api/catalog.py
index a4a863f..3132159 100644
--- a/paimon_python_api/catalog.py
+++ b/pypaimon/api/catalog.py
@@ -18,7 +18,7 @@
 
 from abc import ABC, abstractmethod
 from typing import Optional
-from paimon_python_api import Table, Schema
+from pypaimon.api import Table, Schema
 
 
 class Catalog(ABC):
diff --git a/paimon_python_api/commit_message.py b/pypaimon/api/commit_message.py
similarity index 100%
rename from paimon_python_api/commit_message.py
rename to pypaimon/api/commit_message.py
diff --git a/paimon_python_api/predicate.py b/pypaimon/api/predicate.py
similarity index 100%
rename from paimon_python_api/predicate.py
rename to pypaimon/api/predicate.py
diff --git a/paimon_python_api/read_builder.py b/pypaimon/api/read_builder.py
similarity index 95%
rename from paimon_python_api/read_builder.py
rename to pypaimon/api/read_builder.py
index a031a05..68b7d46 100644
--- a/paimon_python_api/read_builder.py
+++ b/pypaimon/api/read_builder.py
@@ -17,7 +17,7 @@
 #################################################################################
 
 from abc import ABC, abstractmethod
-from paimon_python_api import TableRead, TableScan, Predicate, PredicateBuilder
+from pypaimon.api import TableRead, TableScan, Predicate, PredicateBuilder
 from typing import List
 
 
diff --git a/paimon_python_api/split.py b/pypaimon/api/split.py
similarity index 100%
rename from paimon_python_api/split.py
rename to pypaimon/api/split.py
diff --git a/paimon_python_api/table.py b/pypaimon/api/table.py
similarity index 96%
rename from paimon_python_api/table.py
rename to pypaimon/api/table.py
index 0170cb1..7eef7b4 100644
--- a/paimon_python_api/table.py
+++ b/pypaimon/api/table.py
@@ -19,7 +19,7 @@
 import pyarrow as pa
 
 from abc import ABC, abstractmethod
-from paimon_python_api import ReadBuilder, BatchWriteBuilder
+from pypaimon.api import ReadBuilder, BatchWriteBuilder
 from typing import Optional, List
 
 
diff --git a/paimon_python_api/table_commit.py b/pypaimon/api/table_commit.py
similarity index 97%
rename from paimon_python_api/table_commit.py
rename to pypaimon/api/table_commit.py
index d76ed6a..eed8a82 100644
--- a/paimon_python_api/table_commit.py
+++ b/pypaimon/api/table_commit.py
@@ -17,7 +17,7 @@
 #################################################################################
 
 from abc import ABC, abstractmethod
-from paimon_python_api import CommitMessage
+from pypaimon.api import CommitMessage
 from typing import List
 
 
diff --git a/paimon_python_api/table_read.py b/pypaimon/api/table_read.py
similarity index 98%
rename from paimon_python_api/table_read.py
rename to pypaimon/api/table_read.py
index f0a7b59..9fcb78c 100644
--- a/paimon_python_api/table_read.py
+++ b/pypaimon/api/table_read.py
@@ -22,7 +22,7 @@
 
 from abc import ABC, abstractmethod
 from duckdb.duckdb import DuckDBPyConnection
-from paimon_python_api import Split
+from pypaimon.api import Split
 from typing import List, Optional
 
 
diff --git a/paimon_python_api/table_scan.py b/pypaimon/api/table_scan.py
similarity index 97%
rename from paimon_python_api/table_scan.py
rename to pypaimon/api/table_scan.py
index d998462..8830676 100644
--- a/paimon_python_api/table_scan.py
+++ b/pypaimon/api/table_scan.py
@@ -18,7 +18,7 @@
 
 from abc import ABC, abstractmethod
 from typing import List
-from paimon_python_api import Split
+from pypaimon.api import Split
 
 
 class TableScan(ABC):
diff --git a/paimon_python_api/table_write.py b/pypaimon/api/table_write.py
similarity index 97%
rename from paimon_python_api/table_write.py
rename to pypaimon/api/table_write.py
index d1d39a7..8839620 100644
--- a/paimon_python_api/table_write.py
+++ b/pypaimon/api/table_write.py
@@ -20,7 +20,7 @@
 import pyarrow as pa
 
 from abc import ABC, abstractmethod
-from paimon_python_api import CommitMessage
+from pypaimon.api import CommitMessage
 from typing import List
 
 
diff --git a/paimon_python_api/write_builder.py b/pypaimon/api/write_builder.py
similarity index 96%
rename from paimon_python_api/write_builder.py
rename to pypaimon/api/write_builder.py
index 7835179..ce9cba3 100644
--- a/paimon_python_api/write_builder.py
+++ b/pypaimon/api/write_builder.py
@@ -17,7 +17,7 @@
 #################################################################################
 
 from abc import ABC, abstractmethod
-from paimon_python_api import BatchTableCommit, BatchTableWrite
+from pypaimon.api import BatchTableCommit, BatchTableWrite
 from typing import Optional
 
 
diff --git a/paimon_python_java/__init__.py b/pypaimon/py4j/__init__.py
similarity index 82%
rename from paimon_python_java/__init__.py
rename to pypaimon/py4j/__init__.py
index 9b0d002..3da8b12 100644
--- a/paimon_python_java/__init__.py
+++ b/pypaimon/py4j/__init__.py
@@ -17,9 +17,9 @@
 ################################################################################
 
 from .util import constants
-from .pypaimon import (Catalog, Table, ReadBuilder, TableScan, Plan, Split, TableRead,
-                       BatchWriteBuilder, BatchTableWrite, CommitMessage, BatchTableCommit,
-                       Predicate, PredicateBuilder)
+from .java_implementation import (Catalog, Table, ReadBuilder, TableScan, Plan, Split, TableRead,
+                                  BatchWriteBuilder, BatchTableWrite, CommitMessage, BatchTableCommit,
+                                  Predicate, PredicateBuilder)
 
 __all__ = [
     'constants',
diff --git a/paimon_python_java/gateway_server.py b/pypaimon/py4j/gateway_server.py
similarity index 98%
rename from paimon_python_java/gateway_server.py
rename to pypaimon/py4j/gateway_server.py
index 2061d59..5bdd1ac 100644
--- a/paimon_python_java/gateway_server.py
+++ b/pypaimon/py4j/gateway_server.py
@@ -22,7 +22,7 @@
 import signal
 
 from subprocess import Popen, PIPE
-from paimon_python_java import constants
+from pypaimon.py4j import constants
 
 
 def on_windows():
diff --git a/paimon_python_java/java_gateway.py b/pypaimon/py4j/java_gateway.py
similarity index 96%
rename from paimon_python_java/java_gateway.py
rename to pypaimon/py4j/java_gateway.py
index 3dabcfd..41d7a0d 100644
--- a/paimon_python_java/java_gateway.py
+++ b/pypaimon/py4j/java_gateway.py
@@ -26,9 +26,9 @@
                                CallbackServerParameters)
 from threading import RLock
 
-from paimon_python_java.gateway_server import launch_gateway_server_process
-from paimon_python_java import constants
-from paimon_python_java.util.exceptions import install_py4j_hooks
+from pypaimon.py4j.gateway_server import launch_gateway_server_process
+from pypaimon.py4j import constants
+from pypaimon.py4j.util.exceptions import install_py4j_hooks
 
 _gateway = None
 _lock = RLock()
diff --git a/paimon_python_java/pypaimon.py b/pypaimon/py4j/java_implementation.py
similarity index 97%
rename from paimon_python_java/pypaimon.py
rename to pypaimon/py4j/java_implementation.py
index 803540c..ebe5b8e 100644
--- a/paimon_python_java/pypaimon.py
+++ b/pypaimon/py4j/java_implementation.py
@@ -16,17 +16,18 @@
 # limitations under the License.
 ################################################################################
 
+# pypaimon.api implementation based on Java code & py4j lib
+
 import duckdb
 import pandas as pd
 import pyarrow as pa
 import ray
 
 from duckdb.duckdb import DuckDBPyConnection
-from paimon_python_java.java_gateway import get_gateway
-from paimon_python_java.util import java_utils, constants
-from paimon_python_api import (catalog, table, read_builder, table_scan, split, table_read,
-                               write_builder, table_write, commit_message, table_commit, Schema,
-                               predicate)
+from pypaimon.py4j.java_gateway import get_gateway
+from pypaimon.py4j.util import java_utils, constants
+from pypaimon.api import (catalog, table, read_builder, table_scan, split, table_read, write_builder,
+                          table_write, commit_message, table_commit, Schema, predicate)
 from typing import List, Iterator, Optional, Any
 
 
diff --git a/paimon_python_java/paimon-python-java-bridge/copyright.txt b/pypaimon/py4j/paimon-python-java-bridge/copyright.txt
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/copyright.txt
rename to pypaimon/py4j/paimon-python-java-bridge/copyright.txt
diff --git a/paimon_python_java/paimon-python-java-bridge/pom.xml b/pypaimon/py4j/paimon-python-java-bridge/pom.xml
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/pom.xml
rename to pypaimon/py4j/paimon-python-java-bridge/pom.xml
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/BytesWriter.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/BytesWriter.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/BytesWriter.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/BytesWriter.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/FileLock.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/FileLock.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/FileLock.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/FileLock.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/InvocationUtil.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/InvocationUtil.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/InvocationUtil.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/InvocationUtil.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/NetUtils.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/NetUtils.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/NetUtils.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/NetUtils.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/ParallelBytesReader.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/ParallelBytesReader.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/ParallelBytesReader.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/ParallelBytesReader.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PredicationUtil.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PredicationUtil.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PredicationUtil.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PredicationUtil.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonEnvUtils.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonEnvUtils.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonEnvUtils.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonEnvUtils.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonGatewayServer.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonGatewayServer.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonGatewayServer.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/PythonGatewayServer.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/RecordBytesIterator.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/RecordBytesIterator.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/RecordBytesIterator.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/RecordBytesIterator.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/SchemaUtil.java b/pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/SchemaUtil.java
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/SchemaUtil.java
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/java/org/apache/paimon/python/SchemaUtil.java
diff --git a/paimon_python_java/paimon-python-java-bridge/src/main/resources/META-INF/NOTICE b/pypaimon/py4j/paimon-python-java-bridge/src/main/resources/META-INF/NOTICE
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/src/main/resources/META-INF/NOTICE
rename to pypaimon/py4j/paimon-python-java-bridge/src/main/resources/META-INF/NOTICE
diff --git a/paimon_python_java/paimon-python-java-bridge/tools/ci/log4j.properties b/pypaimon/py4j/paimon-python-java-bridge/tools/ci/log4j.properties
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/tools/ci/log4j.properties
rename to pypaimon/py4j/paimon-python-java-bridge/tools/ci/log4j.properties
diff --git a/paimon_python_java/paimon-python-java-bridge/tools/maven/checkstyle.xml b/pypaimon/py4j/paimon-python-java-bridge/tools/maven/checkstyle.xml
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/tools/maven/checkstyle.xml
rename to pypaimon/py4j/paimon-python-java-bridge/tools/maven/checkstyle.xml
diff --git a/paimon_python_java/paimon-python-java-bridge/tools/maven/suppressions.xml b/pypaimon/py4j/paimon-python-java-bridge/tools/maven/suppressions.xml
similarity index 100%
rename from paimon_python_java/paimon-python-java-bridge/tools/maven/suppressions.xml
rename to pypaimon/py4j/paimon-python-java-bridge/tools/maven/suppressions.xml
diff --git a/paimon_python_java/tests/__init__.py b/pypaimon/py4j/tests/__init__.py
similarity index 100%
rename from paimon_python_java/tests/__init__.py
rename to pypaimon/py4j/tests/__init__.py
diff --git a/paimon_python_java/tests/test_data_types.py b/pypaimon/py4j/tests/test_data_types.py
similarity index 95%
rename from paimon_python_java/tests/test_data_types.py
rename to pypaimon/py4j/tests/test_data_types.py
index 3920cd2..5fb809e 100644
--- a/paimon_python_java/tests/test_data_types.py
+++ b/pypaimon/py4j/tests/test_data_types.py
@@ -24,10 +24,10 @@
 import pyarrow as pa
 import unittest
 
-from paimon_python_api import Schema
-from paimon_python_java import Catalog
-from paimon_python_java.tests import utils
-from paimon_python_java.util import java_utils
+from pypaimon import Schema
+from pypaimon.py4j import Catalog
+from pypaimon.py4j.tests import utils
+from pypaimon.py4j.util import java_utils
 from setup_utils import java_setuputils
 
 
diff --git a/paimon_python_java/tests/test_preicates.py b/pypaimon/py4j/tests/test_preicates.py
similarity index 99%
rename from paimon_python_java/tests/test_preicates.py
rename to pypaimon/py4j/tests/test_preicates.py
index 7ee1a91..5b63759 100644
--- a/paimon_python_java/tests/test_preicates.py
+++ b/pypaimon/py4j/tests/test_preicates.py
@@ -24,9 +24,9 @@
 import pandas as pd
 import pyarrow as pa
 
-from paimon_python_api import Schema
-from paimon_python_java import Catalog
-from paimon_python_java.tests import utils
+from pypaimon import Schema
+from pypaimon.py4j import Catalog
+from pypaimon.py4j.tests import utils
 from setup_utils import java_setuputils
 
 
diff --git a/paimon_python_java/tests/test_write_and_read.py b/pypaimon/py4j/tests/test_write_and_read.py
similarity index 98%
rename from paimon_python_java/tests/test_write_and_read.py
rename to pypaimon/py4j/tests/test_write_and_read.py
index e2c631d..27528d1 100644
--- a/paimon_python_java/tests/test_write_and_read.py
+++ b/pypaimon/py4j/tests/test_write_and_read.py
@@ -24,11 +24,11 @@
 import pyarrow as pa
 from py4j.protocol import Py4JJavaError
 
-from paimon_python_api import Schema
-from paimon_python_java import Catalog
-from paimon_python_java.java_gateway import get_gateway
-from paimon_python_java.tests import utils
-from paimon_python_java.util import java_utils
+from pypaimon import Schema
+from pypaimon.py4j import Catalog
+from pypaimon.py4j.java_gateway import get_gateway
+from pypaimon.py4j.tests import utils
+from pypaimon.py4j.util import java_utils
 from setup_utils import java_setuputils
 
 
diff --git a/paimon_python_java/tests/utils.py b/pypaimon/py4j/tests/utils.py
similarity index 97%
rename from paimon_python_java/tests/utils.py
rename to pypaimon/py4j/tests/utils.py
index 350f80e..18d924e 100644
--- a/paimon_python_java/tests/utils.py
+++ b/pypaimon/py4j/tests/utils.py
@@ -19,7 +19,7 @@
 import os
 import urllib.request
 
-from paimon_python_java.util import constants
+from pypaimon.py4j import constants
 
 
 def setup_hadoop_bundle_jar(hadoop_dir):
diff --git a/paimon_python_java/util/__init__.py b/pypaimon/py4j/util/__init__.py
similarity index 100%
rename from paimon_python_java/util/__init__.py
rename to pypaimon/py4j/util/__init__.py
diff --git a/paimon_python_java/util/constants.py b/pypaimon/py4j/util/constants.py
similarity index 100%
rename from paimon_python_java/util/constants.py
rename to pypaimon/py4j/util/constants.py
diff --git a/paimon_python_java/util/exceptions.py b/pypaimon/py4j/util/exceptions.py
similarity index 100%
rename from paimon_python_java/util/exceptions.py
rename to pypaimon/py4j/util/exceptions.py
diff --git a/setup_utils/java_setuputils.py b/pypaimon/py4j/util/java_setuputils.py
similarity index 94%
rename from setup_utils/java_setuputils.py
rename to pypaimon/py4j/util/java_setuputils.py
index 49e2ea9..bd611fb 100755
--- a/setup_utils/java_setuputils.py
+++ b/pypaimon/py4j/util/java_setuputils.py
@@ -22,7 +22,6 @@
 
 from xml.etree import ElementTree
 
-_JAVA_IMPL_MODULE = 'paimon_python_java'
 _JAVA_DEPS = 'java_dependencies'
 _JAVA_BRIDGE = 'paimon-python-java-bridge'
 
@@ -81,5 +80,4 @@ def _extract_bridge_version():
 
 def _find_java_impl_dir():
     this_dir = os.path.abspath(os.path.dirname(__file__))
-    paimon_python_dir = os.path.dirname(this_dir)
-    return os.path.join(paimon_python_dir, _JAVA_IMPL_MODULE)
+    return os.path.dirname(this_dir)
diff --git a/paimon_python_java/util/java_utils.py b/pypaimon/py4j/util/java_utils.py
similarity index 97%
rename from paimon_python_java/util/java_utils.py
rename to pypaimon/py4j/util/java_utils.py
index ce0404a..0beb527 100644
--- a/paimon_python_java/util/java_utils.py
+++ b/pypaimon/py4j/util/java_utils.py
@@ -18,8 +18,8 @@
 
 import pyarrow as pa
 
-from paimon_python_api import Schema
-from paimon_python_java.java_gateway import get_gateway
+from pypaimon import Schema
+from pypaimon.py4j.java_gateway import get_gateway
 
 
 def to_j_catalog_context(catalog_options: dict):
diff --git a/setup_utils/version.py b/pypaimon/version.py
similarity index 100%
rename from setup_utils/version.py
rename to pypaimon/version.py
diff --git a/setup.py b/setup.py
index 999e3c5..f3090a4 100644
--- a/setup.py
+++ b/setup.py
@@ -19,9 +19,9 @@
 import fnmatch
 import os
 import shutil
-import setup_utils.java_setuputils as java_setuputils
-import setup_utils.version
 
+from pypaimon.version import __version__ as version
+from pypaimon.py4j.util import java_setuputils
 from setuptools import Command, setup
 
 
@@ -50,13 +50,14 @@ def run(self):
 
 try:
     PACKAGES = [
-        'paimon_python_api',
-        'paimon_python_java',
-        'paimon_python_java.util'
+        'pypaimon',
+        'pypaimon.api',
+        'pypaimon.py4j',
+        'pypaimon.py4j.util'
     ]
 
     PACKAGE_DATA = {
-        'paimon_python_java': java_setuputils.get_package_data()
+        'pypaimon.py4j': java_setuputils.get_package_data()
     }
 
     install_requires = [
@@ -72,8 +73,8 @@ def run(self):
     [Doc](https://paimon.apache.org/docs/master/program-api/python-api/) for usage.'
 
     setup(
-        name='paimon_python',
-        version=setup_utils.version.__version__,
+        name='pypaimon',
+        version=version,
         packages=PACKAGES,
         include_package_data=True,
         package_data=PACKAGE_DATA,
diff --git a/tools/releasing/create_source_release.sh b/tools/releasing/create_source_release.sh
index 4d07db5..7d6a8a9 100755
--- a/tools/releasing/create_source_release.sh
+++ b/tools/releasing/create_source_release.sh
@@ -66,7 +66,7 @@ echo "Creating source package"
 git clone ${PROJECT_ROOT} ${CLONE_DIR}
 
 cd ${CLONE_DIR}
-JAVA_ROOT="paimon_python_java/paimon-python-java-bridge"
+JAVA_ROOT="pypaimon/py4j/paimon-python-java-bridge"
 rsync -a \
   --exclude ".DS_Store" --exclude ".asf.yaml" --exclude ".git" \
   --exclude ".github" --exclude ".gitignore" --exclude ".idea" \
diff --git a/tools/releasing/update_branch_version.sh b/tools/releasing/update_branch_version.sh
index 5c8fc49..9c20171 100755
--- a/tools/releasing/update_branch_version.sh
+++ b/tools/releasing/update_branch_version.sh
@@ -34,7 +34,7 @@ set -o nounset
 CURR_DIR=`pwd`
 BASE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 PROJECT_ROOT="${BASE_DIR}/../../"
-SETUP_UTILS_DIR="${PROJECT_ROOT}/setup_utils"
+PYPAIMON_DIR="${PROJECT_ROOT}/pypaimon"
 
 # Sanity check to ensure that resolved paths are valid; a LICENSE file should always exist in project root
 if [ ! -f ${PROJECT_ROOT}/LICENSE ]; then
@@ -44,7 +44,7 @@ fi
 
 ###########################
 
-cd ${SETUP_UTILS_DIR}/
+cd ${PYPAIMON_DIR}/
 
 # change version
 perl -pi -e "s#^__version__ = \".*\"#__version__ = \"${NEW_VERSION}\"#" version.py