diff --git a/.github/workflows/check_milvus_proto.yml b/.github/workflows/check_milvus_proto.yml
index 870af92dd..5f3cfe3d1 100644
--- a/.github/workflows/check_milvus_proto.yml
+++ b/.github/workflows/check_milvus_proto.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.11]
+        python-version: [3.8, 3.11]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/code_checker.yml b/.github/workflows/code_checker.yml
index ca6aff38e..96e38c3b7 100644
--- a/.github/workflows/code_checker.yml
+++ b/.github/workflows/code_checker.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.11]
+        python-version: [3.8, 3.11]
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index d9ce774ed..ac6a31017 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.11]
+        python-version: [3.8, 3.11]
 
     steps:
       - name: Checkout code
diff --git a/README.md b/README.md
index 3860b36dd..1259c5b90 100644
--- a/README.md
+++ b/README.md
@@ -26,12 +26,12 @@ The following collection shows Milvus versions and recommended PyMilvus versions
 | 2.0.\* | 2.0.2 |
 | 2.1.\* | 2.1.3 |
 | 2.2.\* | 2.2.15 |
-| 2.3.\* | 2.3.0 |
+| 2.3.\* | 2.3.4 |
 
 
 ## Installation
 
-You can install PyMilvus via `pip` or `pip3` for Python 3.7+:
+You can install PyMilvus via `pip` or `pip3` for Python 3.8+:
 
 ```shell
 $ pip3 install pymilvus
@@ -40,7 +40,7 @@ $ pip3 install pymilvus
 You can install a specific version of PyMilvus by:
 
 ```shell
-$ pip3 install pymilvus==2.3.0
+$ pip3 install pymilvus==2.3.4
 ```
 
 You can upgrade PyMilvus to the latest version by:
@@ -97,13 +97,13 @@ Documentation is available online: https://milvus.io/api-reference/pymilvus/v2.3
 
 The commits on the development branch of each version will be packaged and uploaded to [Test PyPI](https://test.pypi.org/).
 
-The package name generated by the development branch is x.y.z.dev<dist>, where <dist> is the number of commits that differ from the most recent release.
+The package name generated by the development branch is x.y.z.rc<dist>, where <dist> is the number of commits that differ from the most recent release.
 
-- For example, after the release of 2.0.1, two commits were submitted on the 2.0 branch.
-The version number of the latest commit of 2.0 branch is **2.0.2.dev2**.
+- For example, after the release of **2.3.4**, two commits were submitted on the 2.3 branch.
+The version number of the latest commit of 2.3 branch is **2.3.5.rc2**.
 
-- For example, after the release of 2.0.1, 10 commits were submitted on the master branch.
-The version number of the latest commit of master branch is **2.1.0.dev10**.
+- For example, after the release of **2.3.4**, 10 commits were submitted on the master branch.
+The version number of the latest commit of master branch is **2.4.0.rc10**.
 
 
 To install the package on Test PyPi, you need to append `--extra-index-url` after pip, for example:
diff --git a/_version_helper.py b/_version_helper.py
new file mode 100644
index 000000000..32718d817
--- /dev/null
+++ b/_version_helper.py
@@ -0,0 +1,95 @@
+"""
+this module is a hack only in place to allow for setuptools
+to use the attribute for the versions
+
+it works only if the backend-path of the build-system section
+from pyproject.toml is respected
+"""
+from __future__ import annotations
+
+import logging
+from typing import Callable
+
+from setuptools import build_meta as build_meta  # noqa
+
+from setuptools_scm import _types as _t
+from setuptools_scm import Configuration
+from setuptools_scm import get_version
+from setuptools_scm import git
+from setuptools_scm import hg
+from setuptools_scm.fallbacks import parse_pkginfo
+from setuptools_scm.version import (
+    get_no_local_node,
+    _parse_version_tag,
+    guess_next_simple_semver,
+    SEMVER_MINOR,
+    guess_next_version,
+    ScmVersion,
+)
+
+log = logging.getLogger("setuptools_scm")
+# todo: take fake entrypoints from pyproject.toml
+try_parse: list[Callable[[_t.PathT, Configuration], ScmVersion | None]] = [
+    parse_pkginfo,
+    git.parse,
+    hg.parse,
+    git.parse_archival,
+    hg.parse_archival,
+]
+
+
+def parse(root: str, config: Configuration) -> ScmVersion | None:
+    for maybe_parse in try_parse:
+        try:
+            parsed = maybe_parse(root, config)
+        except OSError as e:
+            log.warning("parse with %s failed with: %s", maybe_parse, e)
+        else:
+            if parsed is not None:
+                return parsed
+
+fmt = "{guessed}.rc{distance}"
+
+def custom_version(version: ScmVersion) -> str:
+    if version.exact:
+        return version.format_with("{tag}")
+    if version.branch is not None:
+        # Does the branch name (stripped of namespace) parse as a version?
+        branch_ver_data = _parse_version_tag(
+            version.branch.split("/")[-1], version.config
+        )
+        if branch_ver_data is not None:
+            branch_ver = branch_ver_data["version"]
+            if branch_ver[0] == "v":
+                # Allow branches that start with 'v', similar to Version.
+                branch_ver = branch_ver[1:]
+            # Does the branch version up to the minor part match the tag? If not it
+            # might be like, an issue number or something and not a version number, so
+            # we only want to use it if it matches.
+            tag_ver_up_to_minor = str(version.tag).split(".")[:SEMVER_MINOR]
+            branch_ver_up_to_minor = branch_ver.split(".")[:SEMVER_MINOR]
+            if branch_ver_up_to_minor == tag_ver_up_to_minor:
+                # We're in a release/maintenance branch, next is a patch/rc/beta bump:
+                return version.format_next_version(guess_next_version, fmt=fmt)
+    # We're in a development branch, next is a minor bump:
+    return version.format_next_version(guess_next_simple_semver, retain=SEMVER_MINOR, fmt=fmt)
+
+
+def scm_version() -> str:
+    return get_version(
+        relative_to=__file__,
+        parse=parse,
+        version_scheme=custom_version,
+        local_scheme=get_no_local_node,
+    )
+
+
+version: str
+
+
+def __getattr__(name: str) -> str:
+    if name == "version":
+        global version
+        version = scm_version()
+        return version
+    raise AttributeError(name)
diff --git a/pyproject.toml b/pyproject.toml
index d43417546..9e70df868 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,13 +7,13 @@ requires = [
 ]
 build-backend = "setuptools.build_meta"
 
+
 [project]
 name="pymilvus"
 authors = [
   {name='Milvus Team', email="milvus-team@zilliz.com"},
 ]
-requires-python = '>=3.7'
-
+requires-python = '>=3.8'
 description = "Python Sdk for Milvus"
 readme = "README.md"
 dependencies=[
@@ -38,9 +38,10 @@ dynamic = ["version"]
 [project.urls]
 "repository" = 'https://github.com/milvus-io/pymilvus'
 
+[tool.setuptools.dynamic]
+version = { attr = "_version_helper.version"}
+
 [tool.setuptools_scm]
-'local_scheme'= 'no-local-version'
-'version_scheme'= 'no-guess-dev'
 
 [tool.black]
 line-length = 100
@@ -166,3 +167,4 @@ builtins-ignorelist = [
     "dict", # TODO
     "filter",
 ]
+