diff --git a/.github/workflows/ci_run_scm_rts.yml b/.github/workflows/ci_run_scm_rts.yml
index 319576f5d..aa7f85a7a 100644
--- a/.github/workflows/ci_run_scm_rts.yml
+++ b/.github/workflows/ci_run_scm_rts.yml
@@ -217,7 +217,7 @@ jobs:
         ./cmp_rt2bl.py --dir_rt ${dir_rt} --dir_bl ${dir_bl}
 
     - name: Upload plots of SCM Baselines/RTs as GitHub Artifact.
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: rt-plots-${{matrix.build-type}}
         path: /home/runner/work/ccpp-scm/ccpp-scm/test/scm_rt_out