diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 96217d2..1439718 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -112,7 +112,7 @@ jobs:
           uv run twine check dist/*
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist
           path: dist/
diff --git a/.github/workflows/dependency-management.yml b/.github/workflows/dependency-management.yml
index e67a666..0750a51 100644
--- a/.github/workflows/dependency-management.yml
+++ b/.github/workflows/dependency-management.yml
@@ -42,7 +42,7 @@ jobs:
           uv run pip-licenses --fail-on="GPL;LGPL;AGPL;SSPL" || true
 
       - name: Upload license report
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: license-report
           path: licenses.json
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4d8d2e1..94e3b33 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -218,7 +218,7 @@ jobs:
           python -m zipfile -l dist/*.whl | head -20
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist
           path: dist/
diff --git a/.github/workflows/security-scanning.yml b/.github/workflows/security-scanning.yml
index 413713e..2ef3365 100644
--- a/.github/workflows/security-scanning.yml
+++ b/.github/workflows/security-scanning.yml
@@ -57,7 +57,7 @@ jobs:
 
       - name: Upload Bandit results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: bandit-results
           path: bandit-report.json
@@ -91,7 +91,7 @@ jobs:
 
       - name: Upload Safety results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: safety-results
           path: safety-report.json