diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index a8dd428..1ef4a2b 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -98,7 +98,7 @@ jobs:
             2>&1 || echo "Report generation completed with warnings"
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: benchmark-results
           path: |
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 890325b..c7b9917 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -63,7 +63,7 @@ jobs:
           upload: true
 
       - name: Upload analysis artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: codeql-results
           path: |
diff --git a/.github/workflows/pysa-analysis.yml b/.github/workflows/pysa-analysis.yml
index e3fea4f..c59ee80 100644
--- a/.github/workflows/pysa-analysis.yml
+++ b/.github/workflows/pysa-analysis.yml
@@ -102,7 +102,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload analysis artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: pysa-results
           path: |
diff --git a/.github/workflows/semgrep-analysis.yml b/.github/workflows/semgrep-analysis.yml
index 402dff6..0dddbed 100644
--- a/.github/workflows/semgrep-analysis.yml
+++ b/.github/workflows/semgrep-analysis.yml
@@ -67,7 +67,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload analysis artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: semgrep-results
           path: |