diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 28554fc..b11422a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,7 +39,7 @@ jobs:
     - name: Setup micromamba
       uses: mamba-org/setup-micromamba@v2
       with:
-        micromamba-version: latest
+        micromamba-version: 2.0.2-0
         environment-file: ${{ env.CONDA_ENV_FILE }}
         environment-name: ${{ env.REPO_NAME }}-tests
         create-args: >-