diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 70d1ecddb4..e1f69a38aa 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -267,7 +267,7 @@ 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: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: lcov.info
           fail_ci_if_error: true
diff --git a/Makefile b/Makefile
index d22cb7db11..d8b389b5a8 100644
--- a/Makefile
+++ b/Makefile
@@ -207,9 +207,9 @@ test-unit:
 		-Z unstable-options --report-time
 
 test-unit-with-coverage:
-	$(cargo) +$(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