diff --git a/.github/codecov.yml b/.github/codecov.yml
new file mode 100644
index 0000000..4e5d31b
--- /dev/null
+++ b/.github/codecov.yml
@@ -0,0 +1,7 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 90%
+        threshold: 1%
+    patch: off
\ No newline at end of file
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index b444d47..8d425ad 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -21,9 +21,9 @@ jobs:
     - name: Run tests
       run: |
         ./tests.sh
-    - name: Coveralls
-      run: |
-        pip install coveralls
-        coveralls --service=github
+     - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3
+      with:
+        files: coverage.xml
       env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.gitignore b/.gitignore
index 8227ca7..99e2cbc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 *.pyc
 .coverage
 .coverage*
+coverages/
+coverage.xml
 dist/
 build/
 *.egg-info/
diff --git a/tests.sh b/tests.sh
index 03b8574..0896e6d 100755
--- a/tests.sh
+++ b/tests.sh
@@ -68,7 +68,8 @@ set -e
 
 # unittest
 echo "[+] unittests"
-coverage run -p -m pytest tests
+mkdir -p coverages/
+coverage run -p --data-file coverages/coverage -m pytest tests
 
 # tests-ng
 echo "[+] tests-ng"
@@ -92,7 +93,8 @@ done
 
 # merge coverage
 echo "[+] coverage merge"
-coverage combine
+coverage combine coverages/*
+coverage xml
 
 echo "ALL TESTS DONE OK"
 exit 0