diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7554683fcc..dec3ebe0f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,9 +38,9 @@ jobs:
         uses: mamba-org/setup-micromamba@v1
         with:
           environment-file: continuous_integration/environment-ci.yml
-          activate-environment: pyart-dev
+          environment-name: pyart-dev
           cache-downloads: true
-          python-version: ${{ matrix.python-version }}
+          create-args: python=${{ matrix.python-version }}
 
       - name: Fetch all history for all tags and branches
         run: |
diff --git a/continuous_integration/environment-ci.yml b/continuous_integration/environment-ci.yml
index 4e02278263..427602cb43 100644
--- a/continuous_integration/environment-ci.yml
+++ b/continuous_integration/environment-ci.yml
@@ -17,7 +17,7 @@ dependencies:
   - pytest-cov
   - pytest-mpl
   - coveralls
-  - libnetcdf<=4.9.1
+  - libnetcdf
   - flake8
   - fsspec
   - glpk