diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 0151406d..3ac8d2a4 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -88,7 +88,7 @@ jobs:
           - win64
         include:
           - os: linux
-            runner-image: ubuntu-20.04
+            runner-image: ubuntu-22.04
           - os: win64
             runner-image: windows-2022
     steps:
@@ -112,7 +112,7 @@ jobs:
           pytest -v idaes_examples --ignore=idaes_examples/notebooks/docs/surrogates/sco2/alamo/ 
       - name: Upload pytest-xdist worker logs
         if: success() || failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: pytest_worker_logs
+          name: pytest_worker_logs--${{ runner.os }}-${{ github.run_id }}-${{ github.run_attempt }}-${{ runner.os }}-py${{ matrix.python-version }}
           path: "tests_*.log"