diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f66474d6d4..1d8c35d572 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -106,6 +106,11 @@ jobs:
 
         - name: Test
           run: make test
+        
+        - uses: actions/upload-artifact@v2
+          with:
+            name: unitTest-coverage
+            path: cover.out
 
         #- name: Data race tests
         #  run: make test-race
@@ -153,17 +158,25 @@ jobs:
         - name: test-integration
           run: make test-integration
 
+        - uses: actions/upload-artifact@v2
+          with:
+            name: integrationTest-coverage
+            path: cover.out
+
   codecov:
     if: (github.event.action != 'closed' || github.event.pull_request.merged == true)
     strategy:
       matrix:
         os: [ ubuntu-20.04 ] # list of os: https://github.com/actions/virtual-environments
     runs-on: ${{ matrix.os }}
+    needs: [unit-tests, integration-tests]
     steps:
+        - name: Checkout
+          uses: actions/checkout@v3
+        - name: Download artifacts
+          uses: actions/download-artifact@v2
         - name: Upload coverage to Codecov
-          uses: codecov/codecov-action@v1
-          with:
-            file: ./cover.out
+          uses: codecov/codecov-action@v3
 
   e2e-tests:
     if: (github.event.action != 'closed' || github.event.pull_request.merged == true)
diff --git a/Makefile b/Makefile
index c14d0dc9f8..cf96d29bf8 100644
--- a/Makefile
+++ b/Makefile
@@ -65,9 +65,12 @@ test-txpool-race:
 
 test-race:
 	$(GOTEST) --timeout 15m -race -shuffle=on $(TESTALL)
+	
+gocovmerge-deps:
+	$(GOBUILD) -o $(GOBIN)/gocovmerge github.com/wadey/gocovmerge
 
 test-integration:
-	$(GOTEST) --timeout 60m -tags integration $(TESTE2E)
+	$(GOTEST) --timeout 60m -cover -coverprofile=cover.out -covermode=atomic -tags integration $(TESTE2E)
 
 escape:
 	cd $(path) && go test -gcflags "-m -m" -run none -bench=BenchmarkJumpdest* -benchmem -memprofile mem.out