diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9e8feda..90bed30 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,5 +21,14 @@ jobs:
     - name: Build
       run: go build -v ./...
 
-    - name: Test
-      run: go test -v ./...
+    - name: Run Unit tests
+      run: |
+        go test -race -covermode atomic -coverprofile=covprofile ./...
+
+    - name: Install goveralls
+      run: go install github.com/mattn/goveralls@latest
+
+    - name: Send coverage
+      env:
+        COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: goveralls -coverprofile=covprofile -service=github
diff --git a/README.md b/README.md
index be43a5f..0fc9db9 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 ![test workflow](https://github.com/yudppp/throttle/actions/workflows/test.yml/badge.svg)
 [![Go Report Card](https://goreportcard.com/badge/github.com/yudppp/throttle)](https://goreportcard.com/report/github.com/yudppp/throttle)
+[![Coverage Status](https://coveralls.io/repos/github/yudppp/throttle/badge.svg?branch=master)](https://coveralls.io/github/yudppp/throttle?branch=master)
 
 Throttle is an object that will perform exactly one action per duration.
 Do call the function f if a specified duration has passed since the last function f was called for this instance of Throttle.