diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5747f86..006a061 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -152,7 +152,7 @@ jobs:
           # - { pathogen: zika }
 
     name: test-pathogen-repo-ci (${{ matrix.pathogen }})
-    uses: nextstrain/.github/.github/workflows/pathogen-repo-ci.yaml@master
+    uses: nextstrain/.github/.github/workflows/pathogen-repo-ci.yaml@v0
     with:
       repo: nextstrain/${{ matrix.pathogen }}
       build-args: ${{ matrix.build-args }}
diff --git a/src/recipe.yaml b/src/recipe.yaml
index 961ac98..b86e694 100644
--- a/src/recipe.yaml
+++ b/src/recipe.yaml
@@ -63,6 +63,7 @@ requirements:
     - bash
     - bzip2
     - csvtk
+    - coreutils
     - curl
     - epiweeks
     - git