diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9fb7bb587..e6c267094 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -33,6 +33,7 @@ jobs:
             python-version: 3.11
             miniforge-variant: Mambaforge
             miniforge-version: latest
+            channels: conda-forge
             activate-environment: hydromt
             use-mamba: true
       - name: Generate env spec
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 22ee2cfca..c461bb85d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -47,6 +47,7 @@ jobs:
         with:
             auto-update-conda: false
             use-only-tar-bz2: true
+            channels: conda-forge
             python-version: ${{ matrix.python-version }}
             miniforge-variant: Mambaforge
             miniforge-version: latest