diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 0758e14..b881cdc 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -74,7 +74,7 @@ jobs:
         timeout-minutes: ${{ fromJSON(github.event.inputs.timeout || '10') }}
 
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: contract-e2e-test-results
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 98bb98c..f48db6e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -128,7 +128,7 @@ jobs:
         timeout-minutes: 10
 
       - name: Upload clusterless E2E test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: clusterless-e2e-test-results
@@ -189,7 +189,7 @@ jobs:
           ls -lh deploy/
 
       - name: Upload chart artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: helm-chart
           path: deploy/*.tgz
@@ -254,7 +254,7 @@ jobs:
           docker save ${{ env.REGISTRY_GHCR }}/${{ needs.setup.outputs.image_name_lower }}:${{ needs.setup.outputs.version }} -o /tmp/image.tar
 
       - name: Upload image artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: container-image
           path: /tmp/image.tar
@@ -316,7 +316,7 @@ jobs:
           sarif_file: trivy-results.sarif
 
       - name: Upload scan results as artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: security-scan-results
@@ -368,7 +368,7 @@ jobs:
             -o spdx-json=sbom.json
 
       - name: Upload SBOM as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: sbom
           path: sbom.json
@@ -620,7 +620,7 @@ jobs:
           echo "Manifest validation passed"
 
       - name: Upload manifest as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: install-manifest
           path: install.yaml
@@ -661,7 +661,7 @@ jobs:
             cmd/main.go
 
       - name: Upload binary
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: binary-${{ matrix.goos }}-${{ matrix.goarch }}
           path: optipod-${{ matrix.goos }}-${{ matrix.goarch }}
@@ -686,7 +686,7 @@ jobs:
           cat checksums.txt
 
       - name: Upload checksums
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: checksums
           path: binaries/checksums.txt