diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 116d7b06fc..70d1ecddb4 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -267,11 +267,10 @@ jobs:
           NAMADA_MASP_PARAMS_DIR: /home/runner/.masp-params
           RUSTFLAGS: "-C linker=clang -C link-arg=-fuse-ld=/usr/local/bin/mold"
       - name: Upload coverage
-        uses: actions/upload-artifact@v3
+        uses: codecov/codecov-action@v3
         with:
-          name: coverage-${{ github.event.pull_request.head.sha || github.sha }}
-          path: target/html
-          retention-days: 3
+          files: lcov.info
+          fail_ci_if_error: true
       - name: Print sccache stats
         if: always()
         run: sccache --show-stats || true
diff --git a/Makefile b/Makefile
index f1ea9b7480..d22cb7db11 100644
--- a/Makefile
+++ b/Makefile
@@ -149,9 +149,9 @@ test: test-unit test-e2e test-wasm test-benches
 test-coverage:
 	# Run integration tests separately because they require `integration`
 	# feature (and without coverage) and run them with pre-built MASP proofs
-	$(cargo) +$(nightly) llvm-cov --output-dir target \
+	$(cargo) +$(nightly) llvm-cov --output-path lcov.info \
 		--features namada/testing \
-		--html \
+		--lcov \
 		-- --skip e2e --skip pos_state_machine_test --skip integration \
 		-Z unstable-options --report-time && \
 	NAMADA_MASP_TEST_SEED=$(NAMADA_MASP_TEST_SEED) \