diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 480a32b..5aa85a0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -63,7 +63,7 @@ jobs:
     - name: Test
       run: dotnet test "${{ env.Test_Proj }}" --no-build --verbosity normal --results-directory ${{ github.workspace }}/_TestResults  --logger "trx;logfilename=tests.trx"
 
-    - uses: actions/upload-artifact@v2  # upload test results
+    - uses: actions/upload-artifact@v4  # upload test results
       if: success() || failure()        # run this step even if previous step failed
       with:
         name: smidge-test-results