diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 8ecae3b..99c08ef 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -35,3 +35,14 @@ jobs:
       run: cargo build
     - name: Run tests
       run: cargo test --lib
+
+    - name: Run cargo-tarpaulin
+      uses: actions-rs/tarpaulin@v0.1
+      with:
+        version: '0.15.0'
+        args: '-- --test-threads 1'
+
+    - name: Upload to codecov.io
+      uses: codecov/codecov-action@v1.0.2
+      with:
+        token: ${{secrets.CODECOV_TOKEN}}
diff --git a/README.md b/README.md
index 9d79592..81977f6 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ With `genanki-rs` you can easily generate decks for the popular open source flas
 
 *This library and its author(s) are not affiliated/associated with the main Anki project in any way.*
 
-![example workflow](https://github.com/yannickfunk/genanki-rs/actions/workflows/rust.yml/badge.svg)
+![example workflow](https://github.com/yannickfunk/genanki-rs/actions/workflows/rust.yml/badge.svg)[![codecov](https://codecov.io/gh/yannickfunk/genanki-rs/branch/master/graph/badge.svg?token=16A3Z7SE6W)](https://codecov.io/gh/yannickfunk/genanki-rs)
 
 ## How to use (Use the [`documentation`](https://docs.rs/genanki-rs/0.1.1/genanki_rs/index.html) for further information)
 Add