diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1ae04f7..0e89ebc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,11 +37,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: conda-incubator/setup-miniconda@v2
         with:
-          mamba-version: "*"
-          use-mamba: true
-          channels: conda-forge
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
           environment-file: environment.linux-64.lock
-          use-only-tar-bz2: true
       - name: Install test deps
         run: mamba install pytest pip
       - name: Install BLR