diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f02a5bc..1fd4fa49 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -231,7 +231,7 @@ jobs:
         run: cargo-kiln verify --asil d --detailed || true
       - name: Upload Safety Artifacts
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: safety-verification-artifacts
           path: |
diff --git a/.github/workflows/pr-diagnostics.yml b/.github/workflows/pr-diagnostics.yml
index 3033b231..fc975f66 100644
--- a/.github/workflows/pr-diagnostics.yml
+++ b/.github/workflows/pr-diagnostics.yml
@@ -343,7 +343,7 @@ jobs:
         echo '```' >> pr_comment.md
         
     - name: Upload diagnostic artifacts
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v7
       with:
         name: pr-diagnostics
         path: |
diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 7ffd31ae..f9b4fc1a 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -60,7 +60,7 @@ jobs:
           fi
       
       - name: Upload Audit Report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: security-audit-report
@@ -120,7 +120,7 @@ jobs:
           fi
       
       - name: Upload Safety Report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: safety-analysis-report