diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 04bfb626..589c5277 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -45,18 +45,25 @@ jobs:
       - uses: supercharge/redis-github-action@1.1.0
         with:
           redis-version: 5
+      # Nightly is required for code coverage with doctests
+      # https://github.com/taiki-e/cargo-llvm-cov/issues/2
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: nightly
           override: true
       - uses: abelfodil/protoc-action@v1
         with:
           protoc-version: '3.19.4'
-      - uses: actions-rs/cargo@v1
-        with:
-          command: test
-          args: --all-features
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+      - name: Test and Generate code coverage
+        run: cargo +nightly llvm-cov --all-features --workspace --lcov --doctests --output-path lcov.info
+      - name: Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          verbose: true
+          fail_ci_if_error: true
 
   fmt:
     name: Rustfmt
diff --git a/README.md b/README.md
index 1c17d76f..7a8c6972 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,7 @@
 [![Crates.io](https://img.shields.io/crates/v/limitador)](https://crates.io/crates/limitador)
 [![Docker Repository on Quay](https://quay.io/repository/kuadrant/limitador/status
 "Docker Repository on Quay")](https://quay.io/repository/kuadrant/limitador)
+[![codecov](https://codecov.io/gh/Kuadrant/limitador/branch/master/graph/badge.svg?token=CE9LD3XCJT)](https://codecov.io/gh/Kuadrant/limitador)
 
 Limitador is a generic rate-limiter written in Rust. It can be used as a
 library, or as a service. The service exposes HTTP endpoints to apply and observe