diff --git a/.github/workflows/code-coverage.yml b/.github/workflows/code-coverage.yml
index 988813d1..b3ee647d 100644
--- a/.github/workflows/code-coverage.yml
+++ b/.github/workflows/code-coverage.yml
@@ -193,7 +193,7 @@ jobs:
             }
 
       - name: Upload coverage artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-report
           path: |
diff --git a/.github/workflows/external-validation.yml b/.github/workflows/external-validation.yml
index 3b788764..33d8d24a 100644
--- a/.github/workflows/external-validation.yml
+++ b/.github/workflows/external-validation.yml
@@ -480,7 +480,7 @@ jobs:
           cargo bench --package pulseengine-mcp-external-validation
 
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: benchmark-results
           path: target/criterion
diff --git a/.github/workflows/release-validation.yml b/.github/workflows/release-validation.yml
index 62093871..7ebca352 100644
--- a/.github/workflows/release-validation.yml
+++ b/.github/workflows/release-validation.yml
@@ -164,7 +164,7 @@ jobs:
           fi
 
       - name: Upload platform artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: release-${{ matrix.target }}
           path: mcp-validation-tools-${{ matrix.target }}.*
diff --git a/.github/workflows/scheduled-validation.yml b/.github/workflows/scheduled-validation.yml
index bc9d4ed2..cc936e45 100644
--- a/.github/workflows/scheduled-validation.yml
+++ b/.github/workflows/scheduled-validation.yml
@@ -104,7 +104,7 @@ jobs:
           done
 
       - name: Upload validation results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: validation-results-${{ github.run_id }}