diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index 185ade1..e1393f2 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -40,6 +40,10 @@ jobs:
           activate-environment: cadpythonsim
           channels: conda-forge,
 
+      - name: install conda env
+        run: |
+          mamba env update -n cadpythonsim -f ${{ env.CONDA_FILE }}
+
       - name: Install
         run: |
           python -m pip install --upgrade pip