diff --git a/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/Abstractions/ITestFileCreator.cs b/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/Abstractions/ITestFileCreator.cs
index f0a2e2e..2c32580 100644
--- a/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/Abstractions/ITestFileCreator.cs
+++ b/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/Abstractions/ITestFileCreator.cs
@@ -1,6 +1,8 @@
-namespace Mohaymen.GiteaClient.IntegrationTests.Common.Initializers.TestData.Abstractions;
+using Mohaymen.GiteaClient.Gitea.File.CreateFile.Dtos;
+
+namespace Mohaymen.GiteaClient.IntegrationTests.Common.Initializers.TestData.Abstractions;
 
 public interface ITestFileCreator
 {
-    Task CreateFileAsync(string repositoryName, string filePath, string content, CancellationToken cancellationToken);
+    Task CreateFileAsync(CreateFileCommandDto createFileCommandDto, CancellationToken cancellationToken);
 }
\ No newline at end of file
diff --git a/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/TestFileCreator.cs b/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/TestFileCreator.cs
index 06d69ff..51e279c 100644
--- a/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/TestFileCreator.cs
+++ b/Mohaymen.GiteaClient.IntegrationTests/Common/Initializers/TestData/TestFileCreator.cs
@@ -13,15 +13,8 @@ public TestFileCreator(IFileFacade fileFacade)
         _fileFacade = fileFacade ?? throw new ArgumentNullException(nameof(fileFacade));
     }
 
-    public async Task CreateFileAsync(string repositoryName, string filePath, string content, CancellationToken cancellationToken)
+    public async Task CreateFileAsync(CreateFileCommandDto createFileCommandDto, CancellationToken cancellationToken)
     {
-        var createFileCommandDto = new CreateFileCommandDto
-        {
-            RepositoryName = repositoryName,
-            FilePath = filePath,
-            Content = content
-        };
-
        await _fileFacade.CreateFileAsync(createFileCommandDto, cancellationToken);
     }
 }
\ No newline at end of file
diff --git a/Mohaymen.GiteaClient.IntegrationTests/Gitea/File/GetFile/GetFileTests.cs b/Mohaymen.GiteaClient.IntegrationTests/Gitea/File/GetFile/GetFileTests.cs
index a0a908c..8851f84 100644
--- a/Mohaymen.GiteaClient.IntegrationTests/Gitea/File/GetFile/GetFileTests.cs
+++ b/Mohaymen.GiteaClient.IntegrationTests/Gitea/File/GetFile/GetFileTests.cs
@@ -35,7 +35,13 @@ public async Task GetFile_ShouldGetFileWithOkStatusCode_WhenInputsAreProvidedPro
         const string content = "Hello, World!";
         var cancellationToken = _giteaCollectionFixture.CancellationToken;
         await _repositoryCreator.CreateRepositoryAsync(repositoryName, cancellationToken);
-        await _fileCreator.CreateFileAsync(repositoryName, filePath, content, cancellationToken);
+        var createFileCommandDto = new CreateFileCommandDto
+        {
+            RepositoryName = repositoryName,
+            FilePath = filePath,
+            Content = content
+        };
+        await _fileCreator.CreateFileAsync(createFileCommandDto, cancellationToken);
 
         var getFileCommandDto = new GetFileCommandDto
         {
diff --git a/Mohaymen.GiteaClient.IntegrationTests/Gitea/PullRequest/MergePullRequest/MergePullRequestTests.cs b/Mohaymen.GiteaClient.IntegrationTests/Gitea/PullRequest/MergePullRequest/MergePullRequestTests.cs
new file mode 100644
index 0000000..55d6d26
--- /dev/null
+++ b/Mohaymen.GiteaClient.IntegrationTests/Gitea/PullRequest/MergePullRequest/MergePullRequestTests.cs
@@ -0,0 +1,92 @@
+using System.Net;
+using FluentAssertions;
+using Microsoft.Extensions.DependencyInjection;
+using Mohaymen.GiteaClient.Gitea.Client.Abstractions;
+using Mohaymen.GiteaClient.Gitea.File.CreateFile.Dtos;
+using Mohaymen.GiteaClient.Gitea.PullRequest.Common.Enums;
+using Mohaymen.GiteaClient.Gitea.PullRequest.CreatePullRequest.Dtos;
+using Mohaymen.GiteaClient.Gitea.PullRequest.GetPullRequestList.Dtos;
+using Mohaymen.GiteaClient.Gitea.PullRequest.MergePullRequest.Dtos;
+using Mohaymen.GiteaClient.IntegrationTests.Common.Collections.Gitea;
+using Mohaymen.GiteaClient.IntegrationTests.Common.Initializers.TestData.Abstractions;
+using Mohaymen.GiteaClient.IntegrationTests.Common.Models;
+
+namespace Mohaymen.GiteaClient.IntegrationTests.Gitea.PullRequest.MergePullRequest;
+
+[Collection("GiteaIntegrationTests")]
+public class MergePullRequestTests
+{
+    private readonly IGiteaClient _sut;
+    private readonly ITestRepositoryCreator _repositoryCreator;
+    private readonly ITestBranchCreator _branchCreator;
+    private readonly ITestPullRequestCreator _pullRequestCreator;
+    private readonly ITestFileCreator _fileCreator;
+    private readonly GiteaCollectionFixture _giteaCollectionFixture;
+    
+    public MergePullRequestTests(GiteaCollectionFixture giteaCollectionFixture)
+    {
+        _giteaCollectionFixture = giteaCollectionFixture ?? throw new ArgumentNullException(nameof(giteaCollectionFixture));
+        _repositoryCreator = _giteaCollectionFixture.ServiceProvider.GetRequiredService<ITestRepositoryCreator>();
+        _branchCreator = _giteaCollectionFixture.ServiceProvider.GetRequiredService<ITestBranchCreator>();
+        _pullRequestCreator = _giteaCollectionFixture.ServiceProvider.GetRequiredService<ITestPullRequestCreator>();
+        _fileCreator = _giteaCollectionFixture.ServiceProvider.GetRequiredService<ITestFileCreator>();
+        _sut = giteaCollectionFixture.ServiceProvider.GetRequiredService<IGiteaClient>();
+    }
+    
+    [Fact]
+    public async Task MergePullRequest_ShouldMergePullRequest_WhenInputsAreProvidedProperly()
+    {
+        // Arrange
+        const string repositoryName = "merge_pull_request_repo";
+        const string headBranch = "merge_pull_request_branch";
+        const string baseBranch = GiteaTestConstants.DefaultBranch;
+        const string title = "merge_pull_request_title";
+        const string assignee = GiteaTestConstants.Username;
+        var createPullRequestCommandDto = new CreatePullRequestCommandDto
+        {
+            RepositoryName = repositoryName,
+            HeadBranch = headBranch,
+            BaseBranch = baseBranch,
+            Title = title,
+            Assignee = assignee
+        };
+        var cancellationToken = _giteaCollectionFixture.CancellationToken;
+        const string filePath = "merge_pull_request_file.txt";
+        const string content = "merge_pull_request_content.txt";
+        var createFileCommandDto = new CreateFileCommandDto
+        {
+            RepositoryName = repositoryName,
+            FilePath = filePath,
+            Content = content,
+            BranchName = headBranch
+        };
+
+        await _repositoryCreator.CreateRepositoryAsync(repositoryName, cancellationToken);
+        await _branchCreator.CreateBranchAsync(repositoryName, headBranch, cancellationToken);
+        await _fileCreator.CreateFileAsync(createFileCommandDto, cancellationToken);
+        await _pullRequestCreator.CreatePullRequestAsync(createPullRequestCommandDto, cancellationToken);
+
+        var mergePullRequestCommandDto = new MergePullRequestCommandDto
+        {
+            RepositoryName = repositoryName,
+            Index = 1,
+            MergeType = MergeType.Merge
+        };
+        var expectedGetPullRequestListCommandDto = new GetPullRequestListCommandDto
+        {
+            RepositoryName = repositoryName
+        };
+
+        // Act
+        var actual = await _sut.PullRequestClient.MergePullRequestAsync(mergePullRequestCommandDto, cancellationToken);
+
+        // Assert
+        actual.StatusCode.Should().Be(HttpStatusCode.OK);
+        var getPullRequestListResponse = await _sut.PullRequestClient.GetPullRequestListAsync(
+            expectedGetPullRequestListCommandDto,
+            _giteaCollectionFixture.CancellationToken);
+        getPullRequestListResponse.StatusCode.Should().Be(HttpStatusCode.OK);
+        getPullRequestListResponse.Content.Should().NotBeNull();
+        getPullRequestListResponse.Content!.First().Merged.Should().BeTrue();
+    }
+}
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