diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index de207b0..d4c0e2f 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -28,9 +28,11 @@ jobs:
       with:
         submodules: true
     - name: Build
-      run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild build-for-testing -scheme ChromaSwift | xcpretty
+      run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild build-for-testing -scheme ChromaSwift -enableCodeCoverage YES | xcpretty
     - name: Test
-      run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild test-without-building -scheme ChromaSwift | xcpretty
+      run: set -o pipefail && env NSUnbufferedIO=YES xcodebuild test-without-building -scheme ChromaSwift -enableCodeCoverage YES | xcpretty
+    - name: Codecov upload
+      uses: codecov/codecov-action@v1
 
   ios:
     name: iOS
diff --git a/README.md b/README.md
index e811807..939a775 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![Swift](https://img.shields.io/badge/Swift-5-orange)](https://swift.org/)
 [![SPM](https://img.shields.io/badge/SPM-compatible-success)](https://swift.org/package-manager/)
 [![Unit Tests](https://github.com/wallisch/ChromaSwift/actions/workflows/unit_tests.yml/badge.svg)](https://github.com/wallisch/ChromaSwift/actions/workflows/unit_tests.yml)
+[![codecov](https://codecov.io/gh/wallisch/ChromaSwift/branch/master/graph/badge.svg?token=Y9IMV4347N)](https://codecov.io/gh/wallisch/ChromaSwift)
 
 Swift wrapper for [Chromaprint](https://github.com/acoustid/chromaprint), the audio fingerprint library of the [AcoustID](https://acoustid.org/) project