diff --git a/.github/workflows/build_and_publish.yml b/.github/workflows/build_and_publish.yml
index c4595f0..74adf8a 100644
--- a/.github/workflows/build_and_publish.yml
+++ b/.github/workflows/build_and_publish.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}
-          uses-mamba: true
+          mamba-version: "*"
           miniforge-variant: Mambaforge
           channels: conda-forge,defaults
           activate-environment: ../my-env