diff --git a/.github/workflows/accuracy-tests.yml b/.github/workflows/accuracy-tests.yml
index a1dddd72..b9e2d430 100644
--- a/.github/workflows/accuracy-tests.yml
+++ b/.github/workflows/accuracy-tests.yml
@@ -39,7 +39,7 @@ jobs:
         run: npm run test:accuracy
       - name: Upload accuracy test summary
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: accuracy-test-summary
           path: .accuracy/test-summary.html
diff --git a/.github/workflows/code-health-fork.yml b/.github/workflows/code-health-fork.yml
index 928c3cfe..be028cb7 100644
--- a/.github/workflows/code-health-fork.yml
+++ b/.github/workflows/code-health-fork.yml
@@ -40,7 +40,7 @@ jobs:
           SKIP_ATLAS_LOCAL_TESTS: "true"
       - name: Upload test results
         if: always() && matrix.os == 'ubuntu-latest'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: test-results
           path: coverage/lcov.info
diff --git a/.github/workflows/code-health-long-running.yml b/.github/workflows/code-health-long-running.yml
index ee94c30c..54cbbb20 100644
--- a/.github/workflows/code-health-long-running.yml
+++ b/.github/workflows/code-health-long-running.yml
@@ -29,7 +29,7 @@ jobs:
           MDB_MCP_API_BASE_URL: ${{ vars.TEST_ATLAS_BASE_URL }}
         run: npm test -- tests/integration/tools/atlas --project=long-running-tests
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: atlas-test-results
diff --git a/.github/workflows/code-health.yml b/.github/workflows/code-health.yml
index f543fd69..e12bf29a 100644
--- a/.github/workflows/code-health.yml
+++ b/.github/workflows/code-health.yml
@@ -39,7 +39,7 @@ jobs:
           SKIP_ATLAS_LOCAL_TESTS: "true"
       - name: Upload test results
         if: always() && matrix.os == 'ubuntu-latest'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: test-results
           path: coverage/lcov.info
@@ -64,7 +64,7 @@ jobs:
           MDB_MCP_API_BASE_URL: ${{ vars.TEST_ATLAS_BASE_URL }}
         run: npm test -- tests/integration/tools/atlas/
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: atlas-test-results
@@ -86,7 +86,7 @@ jobs:
       - name: Run tests
         run: npm test -- tests/integration/tools/atlas-local/
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: atlas-local-test-results