diff --git a/Octokit.Tests.Integration/Clients/RepositoriesClientTests.cs b/Octokit.Tests.Integration/Clients/RepositoriesClientTests.cs
index 8ec921b4..1d8bf9df 100644
--- a/Octokit.Tests.Integration/Clients/RepositoriesClientTests.cs
+++ b/Octokit.Tests.Integration/Clients/RepositoriesClientTests.cs
@@ -683,7 +683,7 @@ public class RepositoriesClientTests
         {
             var github = Helper.GetAuthenticatedClient();
 
-            var request = new PublicRepositoryRequest(32732250);
+            var request = new PublicRepositoryRequest(32732250L);
             var repositories = await github.Repository.GetAllPublic(request);
 
             Assert.NotNull(repositories);
diff --git a/Octokit.Tests.Integration/Reactive/ObservableRepositoriesClientTests.cs b/Octokit.Tests.Integration/Reactive/ObservableRepositoriesClientTests.cs
index 397eb663..14aa42f7 100644
--- a/Octokit.Tests.Integration/Reactive/ObservableRepositoriesClientTests.cs
+++ b/Octokit.Tests.Integration/Reactive/ObservableRepositoriesClientTests.cs
@@ -37,7 +37,7 @@ namespace Octokit.Tests.Integration
                 var github = Helper.GetAuthenticatedClient();
 
                 var client = new ObservableRepositoriesClient(github);
-                var request = new PublicRepositoryRequest(32732250);
+                var request = new PublicRepositoryRequest(32732250L);
                 var repositories = await client.GetAllPublic(request).ToArray();
                 Assert.NotEmpty(repositories);
                 Assert.Equal(32732252, repositories[0].Id);
diff --git a/Octokit.Tests/Clients/RepositoriesClientTests.cs b/Octokit.Tests/Clients/RepositoriesClientTests.cs
index 5e432065..c8311432 100644
--- a/Octokit.Tests/Clients/RepositoriesClientTests.cs
+++ b/Octokit.Tests/Clients/RepositoriesClientTests.cs
@@ -308,7 +308,7 @@ namespace Octokit.Tests.Clients
                 var connection = Substitute.For<IApiConnection>();
                 var client = new RepositoriesClient(connection);
 
-                await client.GetAllPublic(new PublicRepositoryRequest(364));
+                await client.GetAllPublic(new PublicRepositoryRequest(364L));
 
                 connection.Received()
                     .GetAll<Repository>(Arg.Is<Uri>(u => u.ToString() == "repositories?since=364"));
@@ -320,7 +320,7 @@ namespace Octokit.Tests.Clients
                 var connection = Substitute.For<IApiConnection>();
                 var client = new RepositoriesClient(connection);
 
-                await client.GetAllPublic(new PublicRepositoryRequest(364));
+                await client.GetAllPublic(new PublicRepositoryRequest(364L));
 
                 connection.Received()
                     .GetAll<Repository>(Arg.Is<Uri>(u => u.ToString() == "repositories?since=364"));
diff --git a/Octokit.Tests/Reactive/ObservableRepositoriesClientTests.cs b/Octokit.Tests/Reactive/ObservableRepositoriesClientTests.cs
index e98e03dd..22a1bf87 100644
--- a/Octokit.Tests/Reactive/ObservableRepositoriesClientTests.cs
+++ b/Octokit.Tests/Reactive/ObservableRepositoriesClientTests.cs
@@ -311,7 +311,7 @@ namespace Octokit.Tests.Reactive
 
                 var repositoriesClient = new ObservableRepositoriesClient(gitHubClient);
 
-                var results = await repositoriesClient.GetAllPublic(new PublicRepositoryRequest(364)).ToArray();
+                var results = await repositoriesClient.GetAllPublic(new PublicRepositoryRequest(364L)).ToArray();
 
                 Assert.Equal(7, results.Length);
                 gitHubClient.Connection.Received(1).Get<List<Repository>>(firstPageUrl, null, null);
diff --git a/Octokit/Models/Request/PublicRepositoryRequest.cs b/Octokit/Models/Request/PublicRepositoryRequest.cs
index 76161049..17a95bed 100644
--- a/Octokit/Models/Request/PublicRepositoryRequest.cs
+++ b/Octokit/Models/Request/PublicRepositoryRequest.cs
@@ -1,4 +1,5 @@
-using System.Diagnostics;
+using System;
+using System.Diagnostics;
 using System.Globalization;
 
 namespace Octokit
@@ -13,6 +14,7 @@ namespace Octokit
         /// Initializes a new instance of the <see cref="PublicRepositoryRequest"/> class.
         /// </summary>
         /// <param name="since">The integer Id of the last Repository that you’ve seen.</param>
+        [Obsolete("Please use the alternative constructor taking a long, rather than int, typed parameter.  This constructor will be removed in a future release.")]
         public PublicRepositoryRequest(int since)
         {
             Ensure.ArgumentNotNull(since, "since");
@@ -20,6 +22,15 @@ namespace Octokit
             Since = since;
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PublicRepositoryRequest"/> class.
+        /// </summary>
+        /// <param name="since">The Id of the last Repository that you’ve seen.</param>
+        public PublicRepositoryRequest(long since)
+        {
+            Since = since;
+        }
+
         /// <summary>
         /// Gets or sets the integer Id of the last Repository that you’ve seen.
         /// </summary>