diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ca51418..cdf79fe 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -55,14 +55,13 @@ jobs:
       - name: Run tests
         run: composer run test
 
-      # https://github.com/php-coveralls/php-coveralls#github-actions
-      - name: Upload coverage results to Coveralls
+      # https://github.com/codecov/codecov-action
+      - name: Upload coverage results to Codecov
+        uses: codecov/codecov-action@v1
         if: always() && (matrix.php-version == '7.4' || matrix.php-version == '8.0')
-        env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          composer global require php-coveralls/php-coveralls
-          php-coveralls --coverage_clover=build/logs/clover.xml -v
+        with:
+          files: ./build/logs/clover.xml
+          fail_ci_if_error: true
 
       - name: Upload coverage results to Scrutinizer CI
         if: always() && (matrix.php-version == '7.4' || matrix.php-version == '8.0')
diff --git a/README.rst b/README.rst
index fb7c2bc..8c3bcaa 100644
--- a/README.rst
+++ b/README.rst
@@ -10,8 +10,8 @@ CrateDB PDO Adapter
     :target: https://github.com/crate/crate-pdo/actions?workflow=Docs
     :alt: Build status (documentation)
 
-.. image:: https://coveralls.io/repos/github/crate/crate-pdo/badge.svg?branch=main
-    :target: https://coveralls.io/github/crate/crate-pdo
+.. image:: https://codecov.io/gh/crate/crate-pdo/branch/main/graph/badge.svg
+    :target: https://app.codecov.io/gh/crate/crate-pdo
     :alt: Coverage
 
 .. image:: https://scrutinizer-ci.com/g/crate/crate-pdo/badges/quality-score.png?b=main
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..b9b686e
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,8 @@
+# https://docs.codecov.io/docs/common-recipe-list
+
+coverage:
+  status:
+    project:
+      default:
+        target: 85%    # the required coverage value
+        threshold: 3%  # the leniency in hitting the target