diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ef2c6f..4e9c8be 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,7 +69,7 @@ jobs:
 
       - name: Upload results archive
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: hpc-bench-results-ubuntu-vm
           path: /var/log/hpc-bench/results
@@ -89,7 +89,7 @@ jobs:
 
       - name: Upload GPU results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: hpc-bench-results-gpu-host
           path: /var/log/hpc-bench/results
diff --git a/.github/workflows/dependency-update.yml b/.github/workflows/dependency-update.yml
index d8aaa4a..f89959d 100644
--- a/.github/workflows/dependency-update.yml
+++ b/.github/workflows/dependency-update.yml
@@ -139,7 +139,7 @@ jobs:
 
       - name: Upload update report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dependency-update-report
           path: update-report.json
@@ -181,7 +181,7 @@ jobs:
 
       - name: Upload GPU results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gpu-validation-results
           path: /var/log/hpc-bench/results