diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index 02f0683a..dc2d3181 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -59,7 +59,7 @@ jobs:
         run: npm run build
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: docs-build
           path: website/build
diff --git a/.github/workflows/sdk-python-docs.yml b/.github/workflows/sdk-python-docs.yml
index 87bed1ca..0efa1239 100644
--- a/.github/workflows/sdk-python-docs.yml
+++ b/.github/workflows/sdk-python-docs.yml
@@ -267,7 +267,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Upload documentation artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: python-sdk-documentation
           path: |
@@ -422,7 +422,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Upload changelog
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: changelog
           path: CHANGELOG.md
diff --git a/.github/workflows/sdk-python-release.yml b/.github/workflows/sdk-python-release.yml
index 4e1e53ae..13d4e43c 100644
--- a/.github/workflows/sdk-python-release.yml
+++ b/.github/workflows/sdk-python-release.yml
@@ -150,7 +150,7 @@ jobs:
 
       - name: Upload security reports
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: security-reports
           path: |
@@ -206,7 +206,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Upload distribution artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: python-sdk-dist-${{ needs.validate.outputs.version }}
           path: ${{ env.WORKING_DIR }}/dist/
@@ -250,7 +250,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Upload SBOM
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: sbom-${{ needs.validate.outputs.version }}
           path: |
diff --git a/.github/workflows/sdk-python-security.yml b/.github/workflows/sdk-python-security.yml
index bbdb5f5d..8aa73b7f 100644
--- a/.github/workflows/sdk-python-security.yml
+++ b/.github/workflows/sdk-python-security.yml
@@ -62,7 +62,7 @@ jobs:
 
       - name: Upload dependency scan reports
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: dependency-scan-reports
           path: |
@@ -142,7 +142,7 @@ jobs:
 
       - name: Upload SAST reports
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: sast-reports
           path: |
@@ -181,7 +181,7 @@ jobs:
 
       - name: Upload Snyk report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: snyk-report
           path: snyk-report.json
@@ -198,7 +198,7 @@ jobs:
 
       - name: Upload Snyk license report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: snyk-license-report
           path: snyk-license-report.json
@@ -251,7 +251,7 @@ jobs:
 
       - name: Upload secret scan report
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: secret-scan-report
           path: trufflehog-report.json
@@ -295,7 +295,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Upload SBOM artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: sbom
           path: |
diff --git a/.github/workflows/sdk-python-test.yml b/.github/workflows/sdk-python-test.yml
index 6b820362..d151f230 100644
--- a/.github/workflows/sdk-python-test.yml
+++ b/.github/workflows/sdk-python-test.yml
@@ -118,7 +118,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pytest-results-${{ matrix.os }}-${{ matrix.python-version }}
           path: ${{ env.WORKING_DIR }}/pytest-results.xml
@@ -126,7 +126,7 @@ jobs:
 
       - name: Upload coverage report
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.12'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report-html
           path: ${{ env.WORKING_DIR }}/htmlcov
@@ -190,7 +190,7 @@ jobs:
           twine check dist/*
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: python-sdk-dist
           path: ${{ env.WORKING_DIR }}/dist/
diff --git a/.github/workflows/sdk-typescript-release.yml b/.github/workflows/sdk-typescript-release.yml
index 2c0e6e17..6e107b05 100644
--- a/.github/workflows/sdk-typescript-release.yml
+++ b/.github/workflows/sdk-typescript-release.yml
@@ -120,7 +120,7 @@ jobs:
           test -f dist/index.d.ts || (echo "Type declarations missing" && exit 1)
 
       - name: Archive build artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: release-build
           path: sdk/dist/
@@ -193,7 +193,7 @@ jobs:
         run: npx typedoc --out docs/api src/index.ts --readme README.md --plugin typedoc-plugin-markdown || npx typedoc --out docs/api src/index.ts --readme README.md
 
       - name: Archive documentation
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: api-documentation
           path: sdk/docs/api/
diff --git a/.github/workflows/sdk-typescript-security.yml b/.github/workflows/sdk-typescript-security.yml
index 0171701e..0a5050e9 100644
--- a/.github/workflows/sdk-typescript-security.yml
+++ b/.github/workflows/sdk-typescript-security.yml
@@ -87,7 +87,7 @@ jobs:
           fi
 
       - name: Upload audit reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: security-audit-reports
           path: |
@@ -161,7 +161,7 @@ jobs:
           cat license-report.md >> $GITHUB_STEP_SUMMARY
 
       - name: Upload license reports
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: license-reports
           path: |
diff --git a/.github/workflows/sdk-typescript-test.yml b/.github/workflows/sdk-typescript-test.yml
index c443fa01..e1ea731a 100644
--- a/.github/workflows/sdk-typescript-test.yml
+++ b/.github/workflows/sdk-typescript-test.yml
@@ -74,7 +74,7 @@ jobs:
 
       - name: Archive coverage reports
         if: matrix.os == 'ubuntu-latest' && matrix.node == '20'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report
           path: sdk/coverage/
@@ -150,7 +150,7 @@ jobs:
 
       - name: Archive build artifacts
         if: matrix.os == 'ubuntu-latest' && matrix.node == '20'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts
           path: sdk/dist/
diff --git a/.github/workflows/status-dashboard.yml b/.github/workflows/status-dashboard.yml
index b2eb4da3..8ac87ee9 100644
--- a/.github/workflows/status-dashboard.yml
+++ b/.github/workflows/status-dashboard.yml
@@ -161,7 +161,7 @@ jobs:
           fi
 
       - name: Upload badges
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: status-badges
           path: .github/badges/
@@ -225,7 +225,7 @@ jobs:
           EOF
 
       - name: Upload compatibility matrix
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: compatibility-matrix
           path: compatibility-matrix.md
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ed3b1d67..c762409b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -70,7 +70,7 @@ jobs:
 
       - name: Archive coverage report
         if: matrix.coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v6
         with:
           name: coverage-report
           path: coverage/
@@ -168,7 +168,7 @@ jobs:
           auto-push: true
 
       - name: Archive benchmark results
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-results
           path: target/criterion/
@@ -246,7 +246,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload mutation report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v6
         with:
           name: mutation-report
           path: mutants.out/