diff --git a/.github/workflows/test-mamba.yml b/.github/workflows/test-mamba.yml
index cb183079..be2d1ba8 100644
--- a/.github/workflows/test-mamba.yml
+++ b/.github/workflows/test-mamba.yml
@@ -43,7 +43,7 @@ jobs:
       - name: Setup Micromamba ${{ matrix.python-version }}
         uses: mamba-org/setup-micromamba@v1
         with:
-          micromamba-version: '1.5.10'
+          micromamba-version: '1.5.10-0'
           environment-name: argopy-tests
           environment-file: ${{ env.CONDA_ENV_FILE }}
           init-shell: bash