diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 0b949b6..ba54002 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -20,5 +20,6 @@ jobs:
     - uses: mamba-org/setup-micromamba@v1
       with:
         environment-file: environment.yml
+        environment-name: pism-ragis
     env:
         ACTIONS_STEP_DEBUG: true