diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cfbc581..419536f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,12 +39,13 @@ jobs:
       - uses: actions/checkout@v6.0.2
 
       - name: Set up conda (Miniconda)
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v3.2.0
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
           activate-environment: pyfragment-test
-          auto-activate-base: false
+          auto-activate: true
+          conda-remove-defaults: true
 
       - name: Install package and dev dependencies
         shell: bash -el {0}