diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 1b5777e..6a6dc05 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -84,7 +84,7 @@ jobs:
         fi
     
     - name: Upload documentation artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: documentation
         path: |
@@ -268,7 +268,7 @@ jobs:
         fi
     
     - name: Upload spell check results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       if: always()
       with:
         name: spell-check-results
diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 1c23ca9..0bef29e 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -239,7 +239,7 @@ jobs:
         EOF
 
     - name: Upload coverage reports
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: coverage-reports
         path: coverage/
@@ -354,7 +354,7 @@ jobs:
 
     - name: Upload live test artifacts
       if: always()
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: live-test-reports
         path: |
@@ -428,7 +428,7 @@ jobs:
         echo "| BrowseComp | 85.2% | TBD | 🚧 |" >> benchmark-report.md
 
     - name: Upload benchmark results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: benchmark-results
         path: benchmark-report.md
\ No newline at end of file
diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index 524d709..805a4a7 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -178,7 +178,7 @@ jobs:
         fi
     
     - name: Upload performance results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: integration-performance-results
         path: |
@@ -224,7 +224,7 @@ jobs:
         fi
     
     - name: Upload paper validation results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: paper-validation-results
         path: tests/paper_validation_results.txt
@@ -353,7 +353,7 @@ jobs:
         RLM_LLM_API_KEY: "test-key-for-profiling"
     
     - name: Upload profiling results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: memory-profiling-results
         path: valgrind_output.txt
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 51dbdd2..9c7724e 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -60,7 +60,7 @@ jobs:
         fi
     
     - name: Upload audit results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       if: always()
       with:
         name: security-audit-results
@@ -186,7 +186,7 @@ jobs:
         GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }}
     
     - name: Upload GitLeaks results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       if: always()
       with:
         name: gitleaks-report
@@ -213,7 +213,7 @@ jobs:
         cargo cyclonedx --format json --output-pattern "{name}-{version}-sbom.json"
     
     - name: Upload SBOM
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: software-bill-of-materials
         path: "*-sbom.json"
@@ -228,7 +228,7 @@ jobs:
         syft rlm-server:sbom -o spdx-json > docker-sbom.json
     
     - name: Upload Docker SBOM
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: docker-sbom
         path: docker-sbom.json
@@ -281,7 +281,7 @@ jobs:
         fi
     
     - name: Upload license report
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v6
       with:
         name: license-report
         path: licenses.json