diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 674721d..2fe3b92 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -93,6 +93,18 @@ jobs:
           retention-days: 30
           if-no-files-found: ignore
 
+      # Upload Go coverage profile from the `stable` matrix entry only.
+      # Non-blocking so a Codecov outage cannot break CI.
+      - name: Upload coverage to Codecov
+        if: matrix.go == 'stable'
+        # codecov/codecov-action v6.0.1
+        uses: codecov/codecov-action@e79a6962e0d4c0c17b229090214935d2e33f8354 # v6.0.1
+        with:
+          fail_ci_if_error: false
+          flags: unittests
+          files: ./coverage.out
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Upload test output on failure
         if: failure() && hashFiles('test-output.txt') != ''
         uses: actions/upload-artifact@v7