diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 940b443b8f..6a9f7ce905 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -91,6 +91,23 @@ jobs:
 
       - name: Run tests
         run: npm test
+        env:
+          VSC_JUPYTER_INSTRUMENT_CODE_FOR_COVERAGE: true
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: coverage/lcov.info
+          fail_ci_if_error: true
+
+      - name: Upload test results to Codecov
+        if: '!cancelled()'
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: test-report.xml
+          fail_ci_if_error: true
 
       - name: Check dependencies
         run: npm run checkDependencies
diff --git a/src/test/coverage.node.ts b/src/test/coverage.node.ts
index ef2160d581..882e86ce9d 100644
--- a/src/test/coverage.node.ts
+++ b/src/test/coverage.node.ts
@@ -14,7 +14,7 @@ export function setupCoverage() {
         return;
     }
     const htmlReport = process.env.VSC_JUPYTER_INSTRUMENT_CODE_FOR_COVERAGE_HTML ? ['html'] : [];
-    const reports = htmlReport.concat(['text', 'text-summary']);
+    const reports = htmlReport.concat(['text', 'text-summary', 'lcov']);
     const NYC = require('nyc');
     const nyc = new NYC({
         cwd: path.join(EXTENSION_ROOT_DIR_FOR_TESTS),