diff --git a/.github/workflows/pypi.yaml b/.github/workflows/pypi.yaml
index 15dff36..4172331 100644
--- a/.github/workflows/pypi.yaml
+++ b/.github/workflows/pypi.yaml
@@ -17,4 +17,4 @@ jobs:
         with:
           python-version: "3.12"
       - name: Publish package to PyPI
-        run: pip install poetry && poetry publish --build
+        run: pip install poetry==1.7.1 && poetry publish --build
diff --git a/CITATION.cff b/CITATION.cff
index 0d90e69..45edf4d 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -3,7 +3,7 @@ message: "If you use this software, please cite it as below."
 
 title: "deshima-rawdata"
 abstract: "DESHIMA raw data and downloader package"
-version: 2023.11.4
+version: 2023.11.5
 date-released: 2023-11-17
 license: "MIT"
 doi: "10.5281/zenodo.10145185"
diff --git a/deshima_rawdata/__init__.py b/deshima_rawdata/__init__.py
index 417210d..83fe961 100644
--- a/deshima_rawdata/__init__.py
+++ b/deshima_rawdata/__init__.py
@@ -1,5 +1,5 @@
-__all__ = ["cli", "download", "list"]
-__version__ = "2023.11.4"
+__all__ = ["cli", "download", "list", "version"]
+__version__ = "2023.11.5"
 
 
 # submodules
diff --git a/deshima_rawdata/cli.py b/deshima_rawdata/cli.py
index f0ba9eb..6c12f77 100644
--- a/deshima_rawdata/cli.py
+++ b/deshima_rawdata/cli.py
@@ -1,4 +1,4 @@
-__all__ = ["download", "list"]
+__all__ = ["download", "list", "version"]
 
 
 # standard library
@@ -10,6 +10,7 @@
 # dependencies
 import pandas as pd
 from fire import Fire
+from packaging.version import Version
 from requests import get
 from tqdm import tqdm
 from . import __version__
@@ -103,6 +104,17 @@ def list(format: str = DEFAULT_LIST_FORMAT) -> Any:
     return getattr(DATA_LIST, f"to_{format}")()
 
 
+def version() -> Version:
+    """Show the version of the package."""
+    return Version(__version__)
+
+
 def main() -> None:
     """Entry point of the deshima-rawdata command."""
-    Fire({"download": download, "list": list})
+    Fire(
+        {
+            "download": download,
+            "list": list,
+            "version": version,
+        }
+    )
diff --git a/poetry.lock b/poetry.lock
index 23d88e9..b177ecc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -970,4 +970,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9, <3.13"
-content-hash = "d807d0ecfa0509b28710c796234c44941d881990ee57576fe8d8d2ec3cc78220"
+content-hash = "a7aeec8b1fbecfcfb900c5e31c98b2798745b8010cb2e51df3ba26512f383ca9"
diff --git a/pyproject.toml b/pyproject.toml
index 7a70ed8..6b8dae6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "deshima-rawdata"
-version = "2023.11.4"
+version = "2023.11.5"
 description = "DESHIMA raw data and downloader package"
 authors = ["Akio Taniguchi <taniguchi@a.phys.nagoya-u.ac.jp>"]
 license = "MIT"
@@ -9,6 +9,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = ">=3.9, <3.13"
 fire = "^0.5"
+packaging = "^23.0"
 requests = "^2.30"
 tqdm = "^4.65"