diff --git a/Octokit.Tests/Models/DeploymentTests.cs b/Octokit.Tests/Models/DeploymentTests.cs
index dab6b66842..b1630152de 100644
--- a/Octokit.Tests/Models/DeploymentTests.cs
+++ b/Octokit.Tests/Models/DeploymentTests.cs
@@ -17,7 +17,7 @@ public void CanSerialize()
             };
             var deserialized = new SimpleJsonSerializer().Serialize(deployment);
             
-            Assert.Equal(@"{""ref"":""ref"",""task"":""deploy"",""payload"":{""environment"":""production""}}", deserialized);
+            Assert.Equal(@"{""ref"":""ref"",""payload"":{""environment"":""production""}}", deserialized);
         }
 
         [Fact]
@@ -50,7 +50,8 @@ public void CanDeserialize()
                     ""created_at"": ""2012-07-20T01:19:13Z"",
                     ""updated_at"": ""2012-07-20T01:19:13Z"",
                     ""description"": ""Deploy request from hubot"",
-                    ""statuses_url"": ""https://api.github.com/repos/octocat/example/deployments/1/statuses""
+                    ""statuses_url"": ""https://api.github.com/repos/octocat/example/deployments/1/statuses"",
+                    ""task"": ""deploy""
                 }";
 
             var actual = new SimpleJsonSerializer().Deserialize<Deployment>(json);
@@ -63,6 +64,7 @@ public void CanDeserialize()
             Assert.Equal(DateTimeOffset.Parse("2012-07-20T01:19:13Z"), actual.UpdatedAt);
             Assert.Equal("Deploy request from hubot", actual.Description);
             Assert.Equal("https://api.github.com/repos/octocat/example/deployments/1/statuses", actual.StatusesUrl);
+            Assert.Equal("deploy", actual.Task);
         }
     }
 }
diff --git a/Octokit/Models/Request/NewDeployment.cs b/Octokit/Models/Request/NewDeployment.cs
index 7fdf30d4ba..eea8086959 100644
--- a/Octokit/Models/Request/NewDeployment.cs
+++ b/Octokit/Models/Request/NewDeployment.cs
@@ -33,12 +33,9 @@ public NewDeployment(string @ref)
 
         /// <summary>
         /// Gets or sets the optional task used to specify a task to execute, e.g. deploy or deploy:migrations. 
-        /// Default: deploy
+        /// Default if not specified: deploy
         /// </summary>
-        /// <value>
-        /// The task.
-        /// </value>
-        public DeployTask Task { get; set; }
+        public string Task { get; set; }
 
         /// <summary>
         /// Merges the default branch into the requested deployment branch if true;
@@ -95,22 +92,4 @@ internal string DebuggerDisplay
             }
         }
     }
-
-    /// <summary>
-    /// The types of deployments tasks that are available.
-    /// </summary>
-    public enum DeployTask
-    {
-        /// <summary>
-        /// Deploy everything (default)
-        /// </summary>
-        [Parameter(Value = "deploy")]
-        Deploy,
-
-        /// <summary>
-        /// Deploy migrations only.
-        /// </summary>
-        [Parameter(Value = "deploy:migrations")]
-        DeployMigrations
-    }
 }
diff --git a/Octokit/Models/Response/Deployment.cs b/Octokit/Models/Response/Deployment.cs
index 4d4e5be667..ba3016a295 100644
--- a/Octokit/Models/Response/Deployment.cs
+++ b/Octokit/Models/Response/Deployment.cs
@@ -13,7 +13,7 @@ public class Deployment
     {
         public Deployment() { }
 
-        public Deployment(int id, string nodeId, string sha, string url, User creator, IReadOnlyDictionary<string, string> payload, DateTimeOffset createdAt, DateTimeOffset updatedAt, string description, string statusesUrl, bool transientEnvironment, bool productionEnvironment)
+        public Deployment(int id, string nodeId, string sha, string url, User creator, IReadOnlyDictionary<string, string> payload, DateTimeOffset createdAt, DateTimeOffset updatedAt, string description, string statusesUrl, bool transientEnvironment, bool productionEnvironment, string task)
         {
             Id = id;
             NodeId = nodeId;
@@ -27,6 +27,7 @@ public Deployment(int id, string nodeId, string sha, string url, User creator, I
             StatusesUrl = statusesUrl;
             TransientEnvironment = transientEnvironment;
             ProductionEnvironment = productionEnvironment;
+            Task = task;
         }
 
         /// <summary>
@@ -89,6 +90,11 @@ public Deployment(int id, string nodeId, string sha, string url, User creator, I
         /// </summary>
         public bool ProductionEnvironment { get; protected set; }
 
+        /// <summary>
+        /// Specifies a task to execute (e.g., deploy or deploy:migrations)
+        /// </summary>
+        public string Task { get; protected set; }
+
         internal string DebuggerDisplay
         {
             get