diff --git a/.github/workflows/gh-ci.yaml b/.github/workflows/gh-ci.yaml
index 46631094..f320aa1a 100644
--- a/.github/workflows/gh-ci.yaml
+++ b/.github/workflows/gh-ci.yaml
@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       python-stable: ${{ steps.get-compatible-python.outputs.stable-python }}
-      python-min: ${{ steps.get-compatible-python.outputs.oldest-pythons }}
+      python-min: ${{ steps.get-compatible-python.outputs.oldest-python }}
     steps:
       - uses: actions/setup-python@v4
         with:
diff --git a/mdakits/zarrtraj/metadata.yaml b/mdakits/zarrtraj/metadata.yaml
index 1bae0503..92e3dc04 100644
--- a/mdakits/zarrtraj/metadata.yaml
+++ b/mdakits/zarrtraj/metadata.yaml
@@ -90,7 +90,7 @@ run_tests:
 ## The default below _might_ be sufficient or you might not even need MDAnalysisTests:
 ## make sure that it is appropriate for how you run tests.
 test_dependencies:
-  - mamba env update --file https://raw.githubusercontent.com/Becksteinlab/zarrtraj/main/devtools/conda-envs/test_env.yaml --name test
+  - mamba install "moto[server]>=5.0.3"
 
 ## str: the organisation name the MDAKit falls under
 project_org: Becksteinlab