diff --git a/.github/workflows/conda.yml b/.github/workflows/conda.yml
index 0161f9a28..3844acdb8 100644
--- a/.github/workflows/conda.yml
+++ b/.github/workflows/conda.yml
@@ -104,7 +104,7 @@ jobs:
       - name: Install
         run: |
           cmake --build build/ --target install
-          pip install -e .
+          pip install --no-deps -e .
 
       - name: Inspect Python ABI (core)
         run: ldd /usr/share/miniconda/envs/ci/lib/python3.8/site-packages/scenario/bindings/_core.so
@@ -113,4 +113,6 @@ jobs:
         run: ldd /usr/share/miniconda/envs/ci/lib/python3.8/site-packages/scenario/bindings/_gazebo.so
 
       - name: Test
-        run: python -m pytest tests/
+        run: |
+          pip install gym-ignition-models
+          python -m pytest tests/