diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 734ab7d..f7e4979 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -49,7 +49,7 @@ jobs:
         path: notebooks
 
     - name: Create Python Environment
-      uses: mamba-org/setup-micromamba@06375d89d211a1232ef63355742e9e2e564bc7f7 # v2.0.2
+      uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246 # v2.0.0
       with:
         environment-name: test
         environment-file: notebooks/.github/workflows/environments/py312-conda-lock.yml