diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 171a161..1bc3a6c 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Install dependencies
         run: |
-          $CONDA/bin/conda env update --file requirements.txt --name base
+          $CONDA/bin/conda env update -c conda-forge --file requirements.txt --name base
       - name: Test conda
         run: |
           conda info