diff --git a/.github/workflows/gateway-conformance-optional.yml b/.github/workflows/gateway-conformance-optional.yml
index cdcf4b66..f9247228 100644
--- a/.github/workflows/gateway-conformance-optional.yml
+++ b/.github/workflows/gateway-conformance-optional.yml
@@ -75,13 +75,13 @@ jobs:
         run: cat output.md >> $GITHUB_STEP_SUMMARY
       - name: Upload HTML report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance-optional.html
           path: output.html
       - name: Upload JSON report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance-optional.json
           path: output.json
diff --git a/.github/workflows/gateway-conformance-unixfs.yml b/.github/workflows/gateway-conformance-unixfs.yml
index 358e75b1..919a2657 100644
--- a/.github/workflows/gateway-conformance-unixfs.yml
+++ b/.github/workflows/gateway-conformance-unixfs.yml
@@ -75,13 +75,13 @@ jobs:
         run: cat output.md >> $GITHUB_STEP_SUMMARY
       - name: Upload HTML report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance-unixfs.html
           path: output.html
       - name: Upload JSON report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance-unixfs.json
           path: output.json
diff --git a/.github/workflows/gateway-conformance.yml b/.github/workflows/gateway-conformance.yml
index 6250e28d..56c52234 100644
--- a/.github/workflows/gateway-conformance.yml
+++ b/.github/workflows/gateway-conformance.yml
@@ -74,13 +74,13 @@ jobs:
         run: cat output.md >> $GITHUB_STEP_SUMMARY
       - name: Upload HTML report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance.html
           path: output.html
       - name: Upload JSON report
         if: failure() || success()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: gateway-conformance.json
           path: output.json