diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 50259d4..05000fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -122,13 +122,13 @@ jobs:
         run: pnpm run build:frontend
         
       - name: Upload frontend artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: frontend-dist
           path: frontend/dist
           
       - name: Upload backend artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: backend-dist
           path: backend/dist
@@ -167,7 +167,7 @@ jobs:
         run: pnpm run test:e2e
         
       - name: Upload Playwright report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: playwright-report
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 787afeb..ba04e8c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -74,7 +74,7 @@ jobs:
           tar -czf packages-${{ github.ref_name }}.tar.gz packages/*/dist packages/*/package.json
       
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-artifacts
           path: |
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index a59c496..5a587ea 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -45,7 +45,7 @@ jobs:
         run: pnpm audit --json > audit-report.json || true
       
       - name: Upload audit report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: security-audit-report
           path: audit-report.json
@@ -126,7 +126,7 @@ jobs:
           license-checker --summary --production
       
       - name: Upload license report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: license-report
           path: licenses.json
@@ -161,7 +161,7 @@ jobs:
           artifact-name: sbom.spdx.json
       
       - name: Upload SBOM
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: sbom
           path: sbom.spdx.json