diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 93990f5a..9b62626c 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -204,7 +204,7 @@ jobs:
         # kubectl scale rs -n wifi-densepose -l app=wifi-densepose,version!=green --replicas=0
 
     - name: Upload deployment artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v7
       with:
         name: production-deployment-${{ github.run_number }}
         path: |
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cb5418e4..8dcce816 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,7 +67,7 @@ jobs:
 
     - name: Upload security reports
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       if: always()
       with:
         name: security-reports
@@ -206,7 +206,7 @@ jobs:
 
     - name: Upload test results
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       if: always()
       with:
         name: test-results-${{ matrix.python-version }}
@@ -247,7 +247,7 @@ jobs:
         locust -f tests/performance/locustfile.py --headless --users 50 --spawn-rate 5 --run-time 60s --host http://localhost:8000
 
     - name: Upload performance results
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: performance-results
         path: locust_report.html
diff --git a/.github/workflows/desktop-release.yml b/.github/workflows/desktop-release.yml
index b9eee658..de31924d 100644
--- a/.github/workflows/desktop-release.yml
+++ b/.github/workflows/desktop-release.yml
@@ -72,7 +72,7 @@ jobs:
           zip -r "RuView-Desktop-${{ github.event.inputs.version || '0.4.0' }}-macos-${{ steps.arch.outputs.arch }}.zip" "RuView Desktop.app"
 
       - name: Upload macOS artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ruview-macos-${{ steps.arch.outputs.arch }}
           path: v2/target/${{ matrix.target }}/release/bundle/macos/*.zip
@@ -111,13 +111,13 @@ jobs:
           TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
 
       - name: Upload Windows MSI artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ruview-windows-msi
           path: v2/target/release/bundle/msi/*.msi
 
       - name: Upload Windows NSIS artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: ruview-windows-nsis
           path: v2/target/release/bundle/nsis/*.exe
diff --git a/.github/workflows/firmware-ci.yml b/.github/workflows/firmware-ci.yml
index 55e0e186..b4d951d9 100644
--- a/.github/workflows/firmware-ci.yml
+++ b/.github/workflows/firmware-ci.yml
@@ -143,7 +143,7 @@ jobs:
           echo "See: https://github.com/espressif/qemu/wiki"
 
       - name: Upload firmware artifact (${{ matrix.variant }})
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: esp32-csi-node-firmware-${{ matrix.variant }}
           path: firmware/esp32-csi-node/release-staging/
diff --git a/.github/workflows/firmware-qemu.yml b/.github/workflows/firmware-qemu.yml
index 8bc08220..f10be0fb 100644
--- a/.github/workflows/firmware-qemu.yml
+++ b/.github/workflows/firmware-qemu.yml
@@ -73,7 +73,7 @@ jobs:
           echo "QEMU binary size: $(file_size /opt/qemu-esp32/bin/qemu-system-xtensa) bytes"
 
       - name: Upload QEMU artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: qemu-esp32
           path: /opt/qemu-esp32/
@@ -201,7 +201,7 @@ jobs:
 
       - name: Upload test logs
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: qemu-logs-${{ matrix.nvs_config }}
           path: |
@@ -249,7 +249,7 @@ jobs:
 
       - name: Upload fuzz artifacts
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: fuzz-crashes
           path: |
@@ -362,7 +362,7 @@ jobs:
 
       - name: Upload swarm results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: swarm-results
           path: |
diff --git a/.github/workflows/fix-regression-guard.yml b/.github/workflows/fix-regression-guard.yml
index d69e65d1..14f0698c 100644
--- a/.github/workflows/fix-regression-guard.yml
+++ b/.github/workflows/fix-regression-guard.yml
@@ -47,7 +47,7 @@ jobs:
 
       - name: Upload result artifact
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: fix-markers-result
           path: fix-markers-result.json
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 6cfb4520..979723d8 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -139,7 +139,7 @@ jobs:
 
     - name: Upload vulnerability reports
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       if: always()
       with:
         name: vulnerability-reports
@@ -363,7 +363,7 @@ jobs:
 
     - name: Upload license report
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: license-report
         path: licenses.json
@@ -451,7 +451,7 @@ jobs:
 
     - name: Upload security summary
       continue-on-error: true
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: security-summary
         path: security-summary.md