diff --git a/.github/workflows/conda-package-build.yml b/.github/workflows/conda-package-build.yml
index 0f68a9f..3f6d680 100644
--- a/.github/workflows/conda-package-build.yml
+++ b/.github/workflows/conda-package-build.yml
@@ -1,15 +1,11 @@
-name: Building and publish package using anaconda
+name: build_publish_anaconda
 
 on:
   push:
-    tags:
-      - 'v*'
-    branches: 
-      - '*'
+    branches: [ master ]
   pull_request:
     branches: [ master ]
-  workflow_dispatch: # allows you to trigger manually
-
+    
 jobs:
   build-and-publish:
     name: ${{ matrix.os }}, Python 3.${{ matrix.python-minor-version }} for conda deployment
@@ -18,25 +14,54 @@ jobs:
       fail-fast: false
       max-parallel: 3
       matrix:
-        os: [ ubuntu-latest ]
-        python-minor-version: [7]
+        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            
 
     steps:
-    - uses: actions/checkout@v3
+    - name: Chekout
+      uses: actions/checkout@v3
     - name: Determine publish
       uses: haya14busa/action-cond@v1
       id: publish
       with:
-        cond: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        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@v0.1.2
+      uses: openalea/action-build-publish-anaconda@v0.1.3
       with:
         conda: conda
-        mamba: false
+        mamba: true
         python: ${{ matrix.python-minor-version }}
-        channels: openalea3, conda-forge 
+        numpy: '20.0'
+        channels: openalea3, conda-forge
         token: ${{ secrets.ANACONDA_TOKEN }}
         publish: ${{ steps.publish.outputs.value }}
-        label: main
+        label: main
\ No newline at end of file
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 9a99898..596411a 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -11,11 +11,11 @@ build:
   noarch: python
   preserve_egg_dir: True
   number: 1
-  script: python setup.py install --single-version-externally-managed --record=record.txt
+  script: python setup.py install 
 
 requirements:
   build:
-    - python  {{PY_VER}}
+    - python  
     - openalea.deploy
   run:
     - python >=3.6