diff --git a/.github/workflows/coveralls.yml b/.github/workflows/coveralls.yml
new file mode 100644
index 00000000..6ae3bbd4
--- /dev/null
+++ b/.github/workflows/coveralls.yml
@@ -0,0 +1,35 @@
+name: Coveralls
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  SAMPLES_FOLDER: "../../../../samples"
+  OUTPUT_SAMPLES_FOLDER: "../../../../samples/out"
+  OUTPUT_SINGLE_CASES_FOLDER: "../../../../samples/out/single_cases"
+  LOCAL_ENV: "false"
+  DELTA: "0.00001"
+  DECIMAL_PRECISION: "5"
+  RUN_DWG_WRITER_SINGLE_CASES_TEST: "false"
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+      with: 
+        submodules: true
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --no-restore
+    - name: Test
+      run: dotnet test -p:CollectCoverage=true -p:CoverletOutput=TestResults/ -p:CoverletOutputFormat=lcov --no-build --verbosity normal ACadSharp.Tests/
+    - name: Coveralls action
+      uses: coverallsapp/github-action@master
+      with:
+        github-token: ${{ github.token }}
+        path-to-lcov: ACadSharp.Tests/TestResults/coverage.info 
\ No newline at end of file
diff --git a/ACadSharp.Tests/ACadSharp.Tests.csproj b/ACadSharp.Tests/ACadSharp.Tests.csproj
index 72585c0a..0dad927e 100644
--- a/ACadSharp.Tests/ACadSharp.Tests.csproj
+++ b/ACadSharp.Tests/ACadSharp.Tests.csproj
@@ -12,10 +12,14 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="coverlet.msbuild" Version="6.0.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.*" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.*" />
     <PackageReference Include="MSTest.TestFramework" Version="3.*" />
-    <PackageReference Include="coverlet.collector" Version="6.*">
+    <PackageReference Include="coverlet.collector" Version="6.0.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/ACadSharp.Tests/IO/IOTests.cs b/ACadSharp.Tests/IO/IOTests.cs
index 54ab8aa6..d0215b7a 100644
--- a/ACadSharp.Tests/IO/IOTests.cs
+++ b/ACadSharp.Tests/IO/IOTests.cs
@@ -56,7 +56,7 @@ public void DxfToDxf(string test)
 		{
 			CadDocument doc = DxfReader.Read(test);
 
-			if(doc.Header.Version < ACadVersion.AC1012)
+			if (doc.Header.Version < ACadVersion.AC1012)
 			{
 				return;
 			}
diff --git a/ACadSharp.Tests/IO/LocalSampleTests.cs b/ACadSharp.Tests/IO/LocalSampleTests.cs
index 1a53ed01..9b13bc3b 100644
--- a/ACadSharp.Tests/IO/LocalSampleTests.cs
+++ b/ACadSharp.Tests/IO/LocalSampleTests.cs
@@ -50,7 +50,6 @@ public void ReadUserDxf(string test)
 			}
 		}
 
-
 		[Theory]
 		[MemberData(nameof(StressFiles))]
 		public void ReadStressFiles(string test)
diff --git a/ACadSharp.sln b/ACadSharp.sln
index b54d7ca0..70b880ca 100644
--- a/ACadSharp.sln
+++ b/ACadSharp.sln
@@ -38,6 +38,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{
 		.github\workflows\build.yml = .github\workflows\build.yml
 		.github\workflows\build_n_test.yml = .github\workflows\build_n_test.yml
 		publish.yml = publish.yml
+		.github\workflows\coveralls.yml = .github\workflows\coveralls.yml
 		.github\workflows\wiki-gen.yml = .github\workflows\wiki-gen.yml
 	EndProjectSection
 EndProject
diff --git a/README.md b/README.md
index 08b54094..390e3d58 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-ACadSharp ![Build&Test](https://github.com/DomCr/ACadSharp/actions/workflows/build_n_test.yml/badge.svg) ![License](https://img.shields.io/github/license/DomCr/ACadSharp) ![nuget](https://img.shields.io/nuget/v/Acadsharp)
+ACadSharp ![Build&Test](https://github.com/DomCr/ACadSharp/actions/workflows/build_n_test.yml/badge.svg) ![License](https://img.shields.io/github/license/DomCr/ACadSharp) ![nuget](https://img.shields.io/nuget/v/Acadsharp) [![Coverage Status](https://coveralls.io/repos/github/DomCR/ACadSharp/badge.svg?branch=master)](https://coveralls.io/github/DomCR/ACadSharp?branch=master)
 ---
 
 C# library to read/write cad files like dxf/dwg.