diff --git a/.github/workflows/conda-package-build.yml b/.github/workflows/conda-package-build.yml
index 23eafef..ecaf733 100644
--- a/.github/workflows/conda-package-build.yml
+++ b/.github/workflows/conda-package-build.yml
@@ -1,67 +1,20 @@
-name: build_publish_anaconda
+name: Building Package
 
 on:
   push:
-    branches: [ master ]
+    branches: 
+      - '**'
+    tags:
+      - 'v*'
   pull_request:
-    branches: [ master ]
-    
-jobs:
-  build-and-publish:
-    name: ${{ matrix.os }}, Python 3.${{ matrix.python-minor-version }} for conda deployment
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      max-parallel: 3
-      matrix:
-        os: [ ubuntu-latest ]
-        python-minor-version: [9]
-        isMaster:
-          - ${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/heads/dev') }}
-        exclude:
-          - isMaster: false
-            os: ubuntu-latest
-            python-minor-version: 7
-          - isMaster: false
-            os: ubuntu-latest
-            python-minor-version: 8
-          - isMaster: false
-            os: macos-latest
-            python-minor-version: 7
-          - isMaster: false
-            os: macos-latest
-            python-minor-version: 8
-          - isMaster: false
-            os: macos-latest
-            python-minor-version: 9
-          - isMaster: false
-            os: windows-latest
-            python-minor-version: 7
-          - isMaster: false
-            os: windows-latest
-            python-minor-version: 8
-          - isMaster: false
-            os: windows-latest
-            python-minor-version: 9            
+    branches: 
+      - '**'
+
 
-    steps:
-    - name: Chekout
-      uses: actions/checkout@v3
-    - name: Determine publish
-      uses: haya14busa/action-cond@v1
-      id: publish
-      with:
-        cond: ${{ contains(github.ref, 'master') || startsWith(github.ref, 'refs/heads/v') }}
-        if_true: 'true'
-        if_false: 'false'
-    - name: Build and Publish
-      uses: openalea/action-build-publish-anaconda@v0.1.4
-      with:
-        conda: conda
-        mamba: false
-        python: ${{ matrix.python-minor-version }}
-        numpy: '20.0'
-        channels: openalea3, conda-forge
-        token: ${{ secrets.ANACONDA_TOKEN }}
-        publish: ${{ steps.publish.outputs.value }}
-        label: main
\ No newline at end of file
+jobs:
+  build:
+    uses: openalea/github-action-conda-build/.github/workflows/conda-package-build.yml@main
+    with:
+      conda-channels: openalea3, conda-forge
+    secrets: 
+      anaconda_token: ${{ secrets.ANACONDA_TOKEN }}
diff --git a/setup.py b/setup.py
index 01ae87d..49676d2 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from setuptools import setup, find_packages
+from setuptools import setup, find_namespace_packages
 import os, sys
 from os.path import join as pj
 
@@ -13,9 +13,13 @@
 url = 'https://github.com/openalea/weberpenn'
 license='Cecill-C'
 
-version = '2.1.0'
+_version = {}
+with open("src/openalea/weberpenn/version.py") as fp:
+    exec(fp.read(), _version)
+version = _version["__version__"]
+
 namespace = 'openalea'
-packages=find_packages('src')
+packages=find_namespace_packages(where='src', include=['openalea.*'])
 package_dir={'': 'src'}
 
 if __name__ == '__main__':
@@ -27,8 +31,6 @@
           url=url,
           license=license,
 
-          #namespace_packages=[namespace],
-
           # Packages
           packages=packages,
 
diff --git a/src/openalea/__init__.py b/src/openalea/__init__.py
deleted file mode 100644
index 45f7a25..0000000
--- a/src/openalea/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import pkg_resources
-pkg_resources.declare_namespace(__name__)
-
diff --git a/src/openalea/weberpenn/version.py b/src/openalea/weberpenn/version.py
new file mode 100644
index 0000000..be007aa
--- /dev/null
+++ b/src/openalea/weberpenn/version.py
@@ -0,0 +1,19 @@
+# -*- python -*-
+#
+#       Copyright 2015 INRIA - CIRAD - INRA
+#
+#       Distributed under the Cecill-C License.
+#       See accompanying file LICENSE.txt or copy at
+#           http://www.cecill.info/licences/Licence_CeCILL-C_V1-en.html
+#
+#       WebSite : https://github.com/openalea-incubator/caribu
+#
+# ==============================================================================
+
+#  -*- coding: utf-8 -*-
+
+major = 2
+minor = 2
+post = 0
+
+__version__ = ".".join([str(s) for s in (major, minor, post)])