diff --git a/.github/workflows/tox-pytest.yml b/.github/workflows/tox-pytest.yml
index e9513be..aa83bbe 100644
--- a/.github/workflows/tox-pytest.yml
+++ b/.github/workflows/tox-pytest.yml
@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 2
 
       - name: Set up conda environment for testing
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml
           cache-environment: true