diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f4046fbb4d..201beb00e5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -58,6 +58,16 @@ jobs:
           path: ~/.cache/bazel/*/*/*/gapic_generator_java/bazel-out/*/testlogs/*
           retention-days: 5
 
+      - name: Generate Code Coverage Report
+        # Run only test targets, and not golden_update targets.
+        run: bazel coverage  $(bazel query "src/test/..." | grep "Test$")  --combined_report=lcov
+
+      - name: Upload Code Coverage Report
+        uses: codecov/codecov-action@v1
+        with:
+          name: actions ${{ matrix.java }}
+          files: ./bazel-out/_coverage/_coverage_report.dat
+
       - name: Java Linter
         run: bazel --batch  build //:google_java_format_verification
 
diff --git a/src/test/java/com/google/api/generator/gapic/composer/BUILD.bazel b/src/test/java/com/google/api/generator/gapic/composer/BUILD.bazel
index 8a35ed8f3b..bd3f4a4f37 100644
--- a/src/test/java/com/google/api/generator/gapic/composer/BUILD.bazel
+++ b/src/test/java/com/google/api/generator/gapic/composer/BUILD.bazel
@@ -95,7 +95,7 @@ TEST_CLASS_DIR = "com.google.api.generator.gapic.composer."
     name = "{0}_update".format(test_name),
     srcs = [
         "{0}.java".format(test_name),
-    ],
+    ] + COMMON_SRCS,
     data = [
         "//src/test/java/com/google/api/generator/gapic/composer/goldens:goldens_files",
         "//src/test/java/com/google/api/generator/gapic/testdata:gapic_config_files",