diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 21f2f01..49a750c 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -17,7 +17,12 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel twine
+    - name: update setup.py
+      run: |
+        TAG=${GITHUB_REF#refs/*/}
+        sed setup.py -e "s/version=\"0\.0\.0\"/version=\"$TAG\"/" -i
     - name: Build and publish
+      if: startsWith(github.ref, 'refs/tags/v')
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
diff --git a/setup.py b/setup.py
index b9556a7..b81af20 100644
--- a/setup.py
+++ b/setup.py
@@ -12,12 +12,12 @@
     author="Fabien MARTY",
     author_email="fabien.marty@gmail.com",
     name="jinja2_humanize_extension",
-    version="0.0.4",
+    version="0.0.0",
     license="BSD",
     packages=find_packages(),
     install_requires=install_requires,
     python_requires='>=3.0',
-    description="a jinja2 extension to access to system environment variables",
+    description="a jinja2 extension to use humanize library inside jinja2 templates",
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/metwork-framework/jinja2_humanize_extension",