diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 35b290f..db532cc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -23,17 +23,20 @@ jobs:
       # subdirs (i.e. for our new repo layout).
       #   -trs, 30 Jan 2024
       repo: nextstrain/ebola
+      artifact-name: outputs-test-pathogen-repo-ci
     secrets: inherit
 
   test-pathogen-repo-ci-no-example-data:
     uses: ./.github/workflows/pathogen-repo-ci.yaml
     with:
       repo: nextstrain/zika-tutorial
+      artifact-name: outputs-test-pathogen-repo-ci-no-example-data
 
   test-pathogen-repo-ci-failure:
     uses: ./.github/workflows/pathogen-repo-ci.yaml
     with:
       repo: nextstrain/zika-tutorial
+      artifact-name: outputs-test-pathogen-repo-ci-failure
       build-args: __BOGUS_BUILD_TARGET__
       continue-on-error: true
 
diff --git a/.github/workflows/pathogen-repo-build.yaml b/.github/workflows/pathogen-repo-build.yaml
index e0a1faa..fc6299a 100644
--- a/.github/workflows/pathogen-repo-build.yaml
+++ b/.github/workflows/pathogen-repo-build.yaml
@@ -221,7 +221,7 @@ jobs:
           > "$GITHUB_STEP_SUMMARY"
 
       - if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: warn
           name: ${{ inputs.artifact-name }}
diff --git a/.github/workflows/pathogen-repo-ci.yaml b/.github/workflows/pathogen-repo-ci.yaml
index 753a4b3..3eb8043 100644
--- a/.github/workflows/pathogen-repo-ci.yaml
+++ b/.github/workflows/pathogen-repo-ci.yaml
@@ -239,7 +239,7 @@ jobs:
       - run: nextstrain build . ${{ inputs.build-args }}
 
       - if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ inputs.artifact-name }}-${{ matrix.runtime }}
           path: |