diff --git a/.github/workflows/pytest-with-coverage.yaml b/.github/workflows/pytest-with-coverage.yaml
index c94d120c..065b1c5f 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@8767fb704bd78032e9392f0386bf46950bdd1194
+        uses: mamba-org/setup-micromamba@422500192359a097648154e8db4e39bdb6c6eed7
         with:
            environment-file: envs/environment-test.yaml
            environment-name: salishsea-nowcast-test