diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 72658fe..2489320 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,24 +31,27 @@ jobs:
       uses: actions/checkout@v2
 
     - name: conda/mamba
-      uses: mamba-org/provision-with-micromamba@main
+      uses: mamba-org/setup-micromamba@v1
       with:
+          micromamba-version: '1.3.1-0'
           environment-file: environment.yml
-          extra-specs: |
+          create-args: |
             python=${{ matrix.python }}
+          cache-environment: true
+          cache-downloads: true
 
     - name: install package itself
-      shell: bash -l {0}
+      shell: bash -el {0}
       run: |
         pip install .
 
     - name: Install dependencies
-      shell: bash -l {0}
+      shell: bash -el {0}
       run: |
         pip install coveralls pytest-cov pytest pytest-xdist
 
     - name: testing
-      shell: bash -l {0}
+      shell: bash -el {0}
       run: |
         pytest -v --cov-report term-missing --cov=sequana_pipelines.bioconvert
 
diff --git a/test/test_main.py b/test/test_main.py
index 25ad561..4a95d04 100644
--- a/test/test_main.py
+++ b/test/test_main.py
@@ -45,7 +45,6 @@ def test_standalone_script():
 
     results = runner.invoke(main, args)
     assert results.exit_code == 0
-    m.main()
 
 
 def test_full():