diff --git a/Octokit.Tests/Models/IssueEventTests.cs b/Octokit.Tests/Models/IssueEventTests.cs
index 3882b332..d60ad476 100644
--- a/Octokit.Tests/Models/IssueEventTests.cs
+++ b/Octokit.Tests/Models/IssueEventTests.cs
@@ -89,5 +89,6 @@ public class IssueEventTests
         var issueEvent = serializer.Deserialize<IssueEvent>(json);
 
         Assert.NotNull(issueEvent);
+        Assert.Equal(EventInfoState.Unsubscribed, issueEvent.Event);
     }
 }
diff --git a/Octokit/Models/Response/EventInfo.cs b/Octokit/Models/Response/EventInfo.cs
index 2c61881d..638aea37 100644
--- a/Octokit/Models/Response/EventInfo.cs
+++ b/Octokit/Models/Response/EventInfo.cs
@@ -162,5 +162,10 @@ namespace Octokit
         /// The pull request’s branch was restored.
         /// </summary>
         HeadRefRestored,
+
+        /// <summary>
+        /// The actor unsubscribed from notifications for an issue.
+        /// </summary>
+        Unsubscribed,
     }
 }
\ No newline at end of file