diff --git a/.github/workflows/pytest-with-coverage.yaml b/.github/workflows/pytest-with-coverage.yaml
index 90d3acba..659a739a 100644
--- a/.github/workflows/pytest-with-coverage.yaml
+++ b/.github/workflows/pytest-with-coverage.yaml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up Conda environment with Micromamba
-        uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246
+        uses: mamba-org/setup-micromamba@ab6bf8bf7403e8023a094abeec19d6753bdc143e
         with:
            environment-file: envs/environment-test.yaml
            environment-name: salishsea-nowcast-test