diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2c79952..5281b1e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -94,6 +94,13 @@ jobs:
       with:
         gradle-version: 6.8
         arguments: test -x testSql
+    - name: Coverage
+      uses: eskatos/gradle-command-action@v1
+      with:
+        gradle-version: 6.8
+        arguments: coveralls
+      env:
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
 
   lint:
     needs: build
diff --git a/README.md b/README.md
index 0031dba..6f02438 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 [![CodeFactor](https://www.codefactor.io/repository/github/flecomte/dc-project/badge?s=869dc426625a253a07bea95f9380e23fdb048b94)](https://www.codefactor.io/repository/github/flecomte/dc-project)
 [![Tests](https://github.com/flecomte/dc-project/actions/workflows/tests.yml/badge.svg)](https://github.com/flecomte/dc-project/actions/workflows/tests.yml)
+[![Coverage Status](https://coveralls.io/repos/github/flecomte/dc-project/badge.svg?branch=master)](https://coveralls.io/github/flecomte/dc-project?branch=master)
+
 
 [Installation](./doc/installation/Installation.md)
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 812ac92..cf30e10 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -41,6 +41,7 @@ plugins {
     id("net.nemerosa.versioning") version "2.14.0"
     id("io.gitlab.arturbosch.detekt") version "1.16.0-RC1"
     id("com.avast.gradle.docker-compose") version "0.14.0"
+    id("com.github.kt3k.coveralls") version "2.8.4"
 }
 
 application {
@@ -197,6 +198,10 @@ tasks.test {
     finalizedBy(tasks.jacocoTestReport) // report is always generated after tests run
 }
 
+coveralls {
+    sourceDirs.add("src/main/kotlin")
+}
+
 tasks.register("testAll") {
     group = "verification"
     dependsOn(testSql)