diff --git a/.github/workflows/continuous-integration.yaml b/.github/workflows/continuous-integration.yaml
index d25378c..4424731 100644
--- a/.github/workflows/continuous-integration.yaml
+++ b/.github/workflows/continuous-integration.yaml
@@ -25,7 +25,7 @@ jobs:
     - name: Install dependencies
       shell: bash -l {0}
       run: |
-        conda env update -f augur/environment.yml --all
+        conda env update -f augur/environment.yml
         conda activate forecasting
         cd augur
         python -m pip install --no-deps --editable .