diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..c17cf4d
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,5 @@
+- name: Upload coverage reports to Codecov
+  uses: codecov/codecov-action@v4.0.1
+  with:
+    token: ${{ secrets.CODECOV_TOKEN }}
+    slug: JohannesFriedrich/qoi4R