diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 135ae186..f9bd69d6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,6 @@ jobs:
       - uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: ${{ matrix.cfg.python-version }}
-          miniforge-variant: Mambaforge
           miniforge-version: latest
           environment-file: environment.yml
           channels: conda-forge,defaults