diff --git a/.github/workflows/backup.yml b/.github/workflows/backup.yml
index a32d29bc..830e5a93 100644
--- a/.github/workflows/backup.yml
+++ b/.github/workflows/backup.yml
@@ -158,7 +158,7 @@ jobs:
       
       - name: Upload backup artifacts (for debugging)
         if: failure() && steps.check-config.outputs.configured == 'true'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: backup-logs
           path: /tmp/backups/*.log
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d4fc853..0d3757ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -287,7 +287,7 @@ jobs:
         run: npx turbo run build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts
           path: |
@@ -338,7 +338,7 @@ jobs:
 
       - name: Upload license report
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: license-report
           path: license-report.csv
@@ -389,7 +389,7 @@ jobs:
           cat bundle-size-report.md
 
       - name: Upload bundle size report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: bundle-size-report
           path: bundle-size-report.md
diff --git a/.github/workflows/deploy-cloudflare.yml b/.github/workflows/deploy-cloudflare.yml
index 9177fc94..0ebf2244 100644
--- a/.github/workflows/deploy-cloudflare.yml
+++ b/.github/workflows/deploy-cloudflare.yml
@@ -129,7 +129,7 @@ jobs:
         run: npm run build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts
           path: |
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b8a83f1f..17dd188e 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -140,7 +140,7 @@ jobs:
           echo "Deploy type: ${{ github.event.inputs.deploy_type }}"
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts
           path: packages/*/dist
diff --git a/.github/workflows/develop-comprehensive.yml b/.github/workflows/develop-comprehensive.yml
index f4c20dac..c9a96bba 100644
--- a/.github/workflows/develop-comprehensive.yml
+++ b/.github/workflows/develop-comprehensive.yml
@@ -110,7 +110,7 @@ jobs:
 
       - name: Upload build artifacts
         if: success()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: comprehensive-build-artifacts
           path: |
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 0f2b0761..a60a8cd0 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -131,7 +131,7 @@ jobs:
 
       - name: Upload HTML test report
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: playwright-report-${{ matrix.browser }}
           path: playwright-report/
@@ -139,7 +139,7 @@ jobs:
 
       - name: Upload JUnit test results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: junit-results-${{ matrix.browser }}
           path: test-results/junit.xml
@@ -147,7 +147,7 @@ jobs:
 
       - name: Upload test videos
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: playwright-videos-${{ matrix.browser }}
           path: test-results/
@@ -155,7 +155,7 @@ jobs:
 
       - name: Upload screenshots
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: playwright-screenshots-${{ matrix.browser }}
           path: test-results/**/*.png
@@ -249,7 +249,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: playwright-report-mobile
           path: playwright-report/
@@ -276,7 +276,7 @@ jobs:
           find artifacts -name "*.json" -exec cp {} merged-report/ \;
 
       - name: Upload merged report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: e2e-test-report-merged
           path: merged-report/
diff --git a/.github/workflows/load-test.yml b/.github/workflows/load-test.yml
index e493cf8c..3a32defa 100644
--- a/.github/workflows/load-test.yml
+++ b/.github/workflows/load-test.yml
@@ -48,7 +48,7 @@ jobs:
         run: ./scripts/performance-baseline.sh
 
       - name: Upload results
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: load-test-results
           path: tests/load/results/
diff --git a/.github/workflows/secrets-scan.yml b/.github/workflows/secrets-scan.yml
index 2bceed6f..f64197d3 100644
--- a/.github/workflows/secrets-scan.yml
+++ b/.github/workflows/secrets-scan.yml
@@ -48,7 +48,7 @@ jobs:
 
       - name: Upload Gitleaks report
         if: steps.gitleaks.outcome == 'failure'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: gitleaks-report
           path: gitleaks-report.json
diff --git a/.github/workflows/visual-regression.yml b/.github/workflows/visual-regression.yml
index 0ee8e321..ffa4f45c 100644
--- a/.github/workflows/visual-regression.yml
+++ b/.github/workflows/visual-regression.yml
@@ -97,7 +97,7 @@ jobs:
 
       - name: Upload diff screenshots
         if: failure()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: visual-diff-screenshots
           path: |
@@ -107,7 +107,7 @@ jobs:
 
       - name: Upload baseline screenshots
         if: ${{ inputs.update_baselines }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: updated-baselines
           path: e2e/tests/visual-showcase.spec.ts-snapshots/