diff --git a/.github/workflows/accessibility.yml b/.github/workflows/accessibility.yml
index 0d29aaad..154c30ec 100644
--- a/.github/workflows/accessibility.yml
+++ b/.github/workflows/accessibility.yml
@@ -39,7 +39,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: jest-axe-results
           path: frontend/coverage/
@@ -92,7 +92,7 @@ jobs:
 
       - name: Upload Lighthouse reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: lighthouse-reports
           path: frontend/lighthouse-reports/
@@ -135,7 +135,7 @@ jobs:
 
       - name: Upload axe reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: axe-reports
           path: frontend/axe-reports/
@@ -192,7 +192,7 @@ jobs:
 
       - name: Upload Pa11y report
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: pa11y-report
           path: frontend/pa11y-report.json
diff --git a/.github/workflows/contract-deployment.yml b/.github/workflows/contract-deployment.yml
index ee5d52b3..f4445c0a 100644
--- a/.github/workflows/contract-deployment.yml
+++ b/.github/workflows/contract-deployment.yml
@@ -106,7 +106,7 @@ jobs:
         working-directory: contracts/predict-iq
 
       - name: Upload WASM artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: contract-wasm
           path: contracts/predict-iq/target/wasm32-unknown-unknown/release/predict_iq_optimized.wasm
@@ -161,7 +161,7 @@ jobs:
           EOF
 
       - name: Upload deployment info
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: testnet-deployment-${{ github.run_id }}
           path: deployment-info.json
@@ -229,7 +229,7 @@ jobs:
           EOF
 
       - name: Upload deployment info
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: mainnet-deployment-${{ github.run_id }}
           path: deployment-info.json
@@ -281,7 +281,7 @@ jobs:
           EOF
 
       - name: Upload versioned artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: versioned-contract-artifacts
           path: versioned-artifacts/
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 7b5d5a04..244fe26b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -48,7 +48,7 @@ jobs:
             -out=tfplan-${{ matrix.environment }}
 
       - name: Upload plan
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: tfplan-${{ matrix.environment }}
           path: infrastructure/terraform/tfplan-${{ matrix.environment }}
@@ -95,7 +95,7 @@ jobs:
         run: terraform output -json > /tmp/outputs-${{ matrix.environment }}.json
 
       - name: Upload outputs
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: outputs-${{ matrix.environment }}
           path: /tmp/outputs-${{ matrix.environment }}.json
diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index 0f2e27d6..a6086d55 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -145,7 +145,7 @@ jobs:
 
       - name: Upload performance reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: performance-reports
           path: performance/backend/reports/
@@ -253,7 +253,7 @@ jobs:
           cargo bench --bench gas_benchmark -- --save-baseline main
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: contract-benchmarks
           path: contracts/predict-iq/target/criterion/
@@ -305,7 +305,7 @@ jobs:
 
       - name: Upload regression report
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: regression-report
           path: performance/backend/reports/regression-report.md
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e80fb9ba..d15e11c2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -42,3 +42,11 @@ jobs:
           tag_name: ${{ github.ref_name }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload release artifacts
+        if: success()
+        uses: actions/upload-artifact@v7
+        with:
+          name: release-notes
+          path: CHANGELOG.md
+          if-no-files-found: ignore
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 81649149..67b3befc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -153,7 +153,7 @@ jobs:
 
       - name: Upload benchmark report
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v7
         with:
           name: gas-benchmark-report
           path: contracts/predict-iq/target/gas-benchmark-report.md
@@ -281,7 +281,7 @@ jobs:
           --html --output-dir ../../coverage-reports/predictiq-api-html
 
       - name: Upload HTML + LCOV artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: backend-coverage
           path: |
@@ -641,7 +641,7 @@ jobs:
 
       - name: Upload Playwright report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: playwright-market-creation-report
           path: frontend/playwright-report/