diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6e232b5..6d05d43 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -79,11 +79,8 @@ jobs:
         fetch-tags: true
 
     - name: micromamba package and testing environment installation (Python ${{ matrix.python-version }}, GROMACS ${{ matrix.gromacs-version }})
-      uses: mamba-org/setup-micromamba@v1
+      uses: mamba-org/setup-micromamba@v2
       with:
-        # https://github.com/mamba-org/setup-micromamba/issues/225
-        # https://github.com/Becksteinlab/GromacsWrapper/issues/298
-        micromamba-version: 1.5.10-0      
         environment-file: ci/conda-envs/test_env.yaml
         condarc: |
            channels: