diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a6758b4a..d72316f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,8 +65,11 @@ jobs:
         report_paths: 'target/**test-reports/TEST-*.xml'
         github_token: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Check the test coverage is above the minimum criteria
-      run: sbt coverageAggregate
+    - name: Check the test coverage is above the minimum criteria and upload coveage data to Coveralls
+      run: sbt coverageAggregate coveralls
+      env:
+        COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        COVERALLS_FLAG_NAME: Java ${{ matrix.java }}
 
       # https://www.scala-sbt.org/1.x/docs/GitHub-Actions-with-sbt.html#Caching
     - name: Clean files for caching
diff --git a/README.md b/README.md
index 9a6724af..28bdd702 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ akka-entity-replication
 ===
 
 [![CI](https://github.com/lerna-stack/akka-entity-replication/workflows/CI/badge.svg?branch=master)](https://github.com/lerna-stack/akka-entity-replication/actions?query=workflow%3ACI+branch%3Amaster)
+[![Coverage Status](https://coveralls.io/repos/github/lerna-stack/akka-entity-replication/badge.svg)](https://coveralls.io/github/lerna-stack/akka-entity-replication)
 
 ## Introduction
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 8e149320..621d853f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -8,6 +8,8 @@ addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.25")
 
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1")
 
+addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.1")
+
 addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.4.1")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.3")