diff --git a/.github/workflows/Upstream.yml b/.github/workflows/Upstream.yml
index cd60bce..137ec54 100644
--- a/.github/workflows/Upstream.yml
+++ b/.github/workflows/Upstream.yml
@@ -28,4 +28,9 @@ jobs:
             PackageSpec(name="TranscodingStreams"),
           ])
           Pkg.update()
-          Pkg.test("CodecZstd")
+          Pkg.test("CodecZstd"; coverage=true)
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info