diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e5b37cb..6d7e29e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -22,10 +22,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.9'
-        python: [3.9]
+          - '1.11'
         os:
           - ubuntu-latest
+          - macos-latest
         arch:
           - x64
     steps:
@@ -33,31 +33,7 @@ jobs:
       - name: Set up Python 🐍 ${{ matrix.python }}
         uses: actions/setup-python@v2
         with:
-          python-version: ${{ matrix.python }}  
-      - name: Create environment with micromamba 🐍🖤
-        uses: mamba-org/setup-micromamba@v1
-        with: 
-          micromamba-version: '1.5.6-0'
-          environment-file: ./environment.yml
-          environment-name: oggm_env                # it is recommendable to add both name and yml file. 
-          init-shell: bash
-          cache-environment: true
-#           condarc-file: ./condarc.yml                # If necessary, we can include .condarc to configure environment
-      - name: Test creation of environment with micromamba 🔧🐍🖤
-        run: | 
-            which python
-            conda env export
-        shell: bash -el {0}
-      - name: Update certifi
-        run: | 
-            pip install --upgrade certifi
-        shell: bash -el {0}
-#       - name: Test OGGM installation 🔧🌎 
-#         run: pytest.oggm
-#         shell: bash -el {0}
-      - name: Set ENV Variables for PyCall.jl 🐍 📞
-        run: export PYTHON=/home/runner/micromamba/envs/oggm_env/bin/python
-        shell: bash -el {0}
+          python-version: ${{ matrix.python }}
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
@@ -67,17 +43,8 @@ jobs:
         shell: bash -el {0}
       - uses: julia-actions/cache@v1
         with:
-          cache-registries: "true"
+          cache-registries: "false"
           cache-compiled: "true"
-      - uses: julia-actions/julia-buildpkg@v1
-        env:
-          PYTHON : /home/runner/micromamba/envs/oggm_env/bin/python
-          # The SSL certificate path can be readed from the action "Check Julia SSL certifications"
-          SSL_CERT_FILE: /etc/ssl/certs/ca-certificates.crt
-      - uses: julia-actions/julia-runtest@v1
-        env:
-          PYTHON : /home/runner/micromamba/envs/oggm_env/bin/python
-          SSL_CERT_FILE: /etc/ssl/certs/ca-certificates.crt
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v3
         with: