diff --git a/Octokit.Tests.Integration/Clients/ReleasesClientTests.cs b/Octokit.Tests.Integration/Clients/ReleasesClientTests.cs
index 0a114ae6..4e087057 100644
--- a/Octokit.Tests.Integration/Clients/ReleasesClientTests.cs
+++ b/Octokit.Tests.Integration/Clients/ReleasesClientTests.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Threading.Tasks;
 using Octokit;
 using Octokit.Tests.Integration;
+using Octokit.Tests.Integration.Helpers;
 using Xunit;
 
 public class ReleasesClientTests
@@ -14,18 +15,17 @@ public class ReleasesClientTests
         readonly Repository _repository;
         readonly string _repositoryOwner;
         readonly string _repositoryName;
-        readonly GitHubClient _github;
 
         public TheGetReleasesMethod()
         {
-            _github = new GitHubClient(new ProductHeaderValue("OctokitTests"))
+            var github = new GitHubClient(new ProductHeaderValue("OctokitTests"))
             {
                 Credentials = Helper.Credentials
             };
-            _releaseClient = _github.Release;
+            _releaseClient = github.Release;
 
             var repoName = Helper.MakeNameWithTimestamp("public-repo");
-            _repository = _github.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
+            _repository = github.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
             _repositoryOwner = _repository.Owner.Login;
             _repositoryName = _repository.Name;
         }
@@ -44,7 +44,7 @@ public class ReleasesClientTests
         {
             // create a release without a publish date
             var releaseWithNoUpdate = new ReleaseUpdate("0.1") { Draft = true };
-            var release = _releaseClient.Create(_repositoryOwner, _repositoryName, releaseWithNoUpdate).Result;
+            await _releaseClient.Create(_repositoryOwner, _repositoryName, releaseWithNoUpdate);
 
             var releases = await _releaseClient.GetAll(_repositoryOwner, _repositoryName);
 
@@ -64,18 +64,18 @@ public class ReleasesClientTests
         readonly Repository _repository;
         readonly string _repositoryOwner;
         readonly string _repositoryName;
-        readonly GitHubClient _github;
+        readonly GitHubClient github;
 
         public TheEditMethod()
         {
-            _github = new GitHubClient(new ProductHeaderValue("OctokitTests"))
+            github = new GitHubClient(new ProductHeaderValue("OctokitTests"))
             {
                 Credentials = Helper.Credentials
             };
-            _releaseClient = _github.Release;
+            _releaseClient = github.Release;
 
             var repoName = Helper.MakeNameWithTimestamp("public-repo");
-            _repository = _github.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
+            _repository = github.Repository.Create(new NewRepository { Name = repoName, AutoInit = true }).Result;
             _repositoryOwner = _repository.Owner.Login;
             _repositoryName = _repository.Name;
         }
@@ -97,6 +97,28 @@ public class ReleasesClientTests
             Assert.Equal("**This is an updated release", updatedRelease.Body);
         }
 
+
+        [IntegrationTest]
+        public async Task CanChangeCommitIshOfRelease()
+        {
+            var releaseWithNoUpdate = new ReleaseUpdate("0.1") { Draft = true };
+            var release = await _releaseClient.Create(_repositoryOwner, _repositoryName, releaseWithNoUpdate);
+
+            Assert.Equal("master", release.TargetCommitish);
+
+            var newHead = await github.CreateTheWorld(_repository);
+
+            var editRelease = release.ToUpdate();
+            editRelease.Draft = false;
+            editRelease.TargetCommitish = newHead.Object.Sha;
+
+            var updatedRelease = await _releaseClient.Edit(_repositoryOwner, _repositoryName, release.Id, editRelease);
+
+            Assert.Equal(release.Id, updatedRelease.Id);
+            Assert.False(updatedRelease.Draft);
+            Assert.Equal(newHead.Object.Sha, updatedRelease.TargetCommitish);
+        }
+
         public void Dispose()
         {
             Helper.DeleteRepo(_repository);
diff --git a/Octokit.Tests.Integration/Helpers/RepositorySetupHelper.cs b/Octokit.Tests.Integration/Helpers/RepositorySetupHelper.cs
new file mode 100644
index 00000000..97db3c00
--- /dev/null
+++ b/Octokit.Tests.Integration/Helpers/RepositorySetupHelper.cs
@@ -0,0 +1,61 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Octokit.Tests.Integration.Helpers
+{
+    public static class RepositorySetupHelper
+    {
+        public static async Task<TreeResponse> CreateTree(this IGitHubClient client, Repository repository, IEnumerable<KeyValuePair<string, string>> treeContents)
+        {
+            var collection = new List<NewTreeItem>();
+
+            foreach (var c in treeContents)
+            {
+                var baselineBlob = new NewBlob
+                {
+                    Content = c.Value,
+                    Encoding = EncodingType.Utf8
+                };
+                var baselineBlobResult = await client.GitDatabase.Blob.Create(repository.Owner.Login, repository.Name, baselineBlob);
+
+                collection.Add(new NewTreeItem
+                {
+                    Type = TreeType.Blob,
+                    Mode = FileMode.File,
+                    Path = c.Key,
+                    Sha = baselineBlobResult.Sha
+                });
+            }
+
+            var newTree = new NewTree { Tree = collection };
+
+            return await client.GitDatabase.Tree.Create(repository.Owner.Login, repository.Name, newTree);
+        }
+
+        public static async Task<Commit> CreateCommit(this IGitHubClient client, Repository repository, string message, string sha, string parent)
+        {
+            var newCommit = new NewCommit(message, sha, parent);
+            return await client.GitDatabase.Commit.Create(repository.Owner.Login, repository.Name, newCommit);
+        }
+
+        public static async Task<Reference> CreateTheWorld(this IGitHubClient client, Repository repository)
+        {
+            var master = await client.GitDatabase.Reference.Get(repository.Owner.Login, repository.Name, "heads/master");
+
+            // create new commit for master branch
+            var newMasterTree = await client.CreateTree(repository, new Dictionary<string, string> { { "README.md", "Hello World!" } });
+            var newMaster = await client.CreateCommit(repository, "baseline for pull request", newMasterTree.Sha, master.Object.Sha);
+
+            // update master
+            await client.GitDatabase.Reference.Update(repository.Owner.Login, repository.Name, "heads/master", new ReferenceUpdate(newMaster.Sha));
+
+            // create new commit for feature branch
+            var featureBranchTree = await client.CreateTree(repository, new Dictionary<string, string> { { "README.md", "I am overwriting this blob with something new" } });
+            var featureBranchCommit = await client.CreateCommit(repository, "this is the commit to merge into the pull request", featureBranchTree.Sha, newMaster.Sha);
+
+            // create branch
+            return await client.GitDatabase.Reference.Create(repository.Owner.Login, repository.Name, new NewReference("refs/heads/my-branch", featureBranchCommit.Sha));
+        }
+
+    }
+}
diff --git a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
index 824137cb..6710f1fa 100644
--- a/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
+++ b/Octokit.Tests.Integration/Octokit.Tests.Integration.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Clients\UserEmailsClientTests.cs" />
     <Compile Include="Clients\FollowersClientTests.cs" />
     <Compile Include="Clients\UserKeysClientTests.cs" />
+    <Compile Include="Helpers\RepositorySetupHelper.cs" />
     <Compile Include="HttpClientAdapterTests.cs" />
     <Compile Include="Clients\TeamsClientTests.cs" />
     <Compile Include="IntegrationTestAttribute.cs" />