diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bfbf20a..b3e6274 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -89,7 +89,7 @@ jobs:
       run: mvn javadoc:javadoc -Dmaven.gpg.skip=true
       
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: build-artifacts
         path: |
@@ -170,7 +170,7 @@ jobs:
       run: mvn org.owasp:dependency-check-maven:check -Dmaven.gpg.skip=true -Dnvd.api.key=$NVD_API_KEY
 
     - name: Upload dependency check results
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       if: always()
       with:
         name: dependency-check-report
diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
index 692b6ec..924fe43 100644
--- a/.github/workflows/demo.yml
+++ b/.github/workflows/demo.yml
@@ -52,7 +52,7 @@ jobs:
         
     - name: Upload demo output
       if: runner.os == 'Linux'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: demo-output-${{ matrix.os }}
         path: demo_output.md