diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8f60f52..1ff436d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,10 +45,9 @@ jobs:
       - name: Generate code coverage
         run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
 
-      - name: Coveralls
-        uses: coverallsapp/github-action@v2
+      - uses: codecov/codecov-action@v4.0.1
         with:
-          parallel: false
+          token: ${{ secrets.CODECOV_TOKEN }}
 
       - run: cargo publish --token ${CRATES_TOKEN}
         if: startsWith(github.ref, 'refs/tags/')
diff --git a/README.md b/README.md
index e95af09..2a0ec03 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Crates.io][crates-image]][crates-url] [![docs.rs][docsrs-image]][docsrs-url]
 
-[![Coveralls][coveralls-image]][coveralls-url] [![CI Build][github-actions-image]][github-actions-url]
+[![Coverage][coverage-image]][coverage-url] [![CI Build][github-actions-image]][github-actions-url]
 
 ## protontweaks-api-rs
 
@@ -8,10 +8,8 @@ Rust api for interacting with https://api.protontweaks.com
 
 [github-actions-image]: https://img.shields.io/github/actions/workflow/status/rain-cafe/protontweaks-api-rs/ci.yml?event=push
 [github-actions-url]: https://github.com/rain-cafe/protontweaks-api-rs/actions/workflows/ci.yml?query=branch%3Amain
-[coveralls-image]: https://img.shields.io/coveralls/rain-cafe/protontweaks-api-rs.svg
-[coveralls-url]: https://coveralls.io/github/rain-cafe/protontweaks-api-rs?branch=main
-[maintainability-image]: https://img.shields.io/codeclimate/maintainability/rain-cafe/protontweaks-api-rs
-[maintainability-url]: https://codeclimate.com/github/rain-cafe/protontweaks-api-rs/maintainability
+[coverage-image]: https://img.shields.io/codecov/c/github/rain-cafe/protontweaks-api-rs
+[coverage-url]: https://app.codecov.io/gh/rain-cafe/protontweaks-api-rs
 [crates-image]: https://img.shields.io/crates/v/protontweaks-api.svg
 [crates-url]: https://crates.io/crates/protontweaks-api
 [docsrs-image]: https://docs.rs/protontweaks-api/badge.svg