diff --git a/visual-dotnet/SauceLabs.Visual/CreateBuildOptions.cs b/visual-dotnet/SauceLabs.Visual/CreateBuildOptions.cs
index 18808565..3edfaea5 100644
--- a/visual-dotnet/SauceLabs.Visual/CreateBuildOptions.cs
+++ b/visual-dotnet/SauceLabs.Visual/CreateBuildOptions.cs
@@ -13,5 +13,6 @@ public class CreateBuildOptions
         public string? Project { get; set; }
         public string? Branch { get; set; }
         public string? CustomId { get; set; }
+        public string? DefaultBranch { get; set; }
     }
 }
\ No newline at end of file
diff --git a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuild.cs b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuild.cs
index df55235b..00037707 100644
--- a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuild.cs
+++ b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuild.cs
@@ -16,8 +16,10 @@ internal class CreateBuild
         public string? Branch { get; }
         [JsonProperty("customId")]
         public string? CustomId { get; }
+        [JsonProperty("defaultBranch")]
+        public string? DefaultBranch { get; }
 
-        public CreateBuild(string id, string name, string url, string? project, string? branch, string? customId)
+        public CreateBuild(string id, string name, string url, string? project, string? branch, string? customId, string? defaultBranch)
         {
             Id = id;
             Name = name;
@@ -25,6 +27,7 @@ public CreateBuild(string id, string name, string url, string? project, string?
             Project = project;
             Branch = branch;
             CustomId = customId;
+            DefaultBranch = defaultBranch;
         }
     }
 }
\ No newline at end of file
diff --git a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildIn.cs b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildIn.cs
index 2fbb8da1..67e8faef 100644
--- a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildIn.cs
+++ b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildIn.cs
@@ -12,5 +12,7 @@ internal class CreateBuildIn
         public string? Branch { get; set; }
         [JsonProperty("customId")]
         public string? CustomId { get; set; }
+        [JsonProperty("defaultBranch")]
+        public string? DefaultBranch { get; set; }
     }
 }
\ No newline at end of file
diff --git a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildMutation.cs b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildMutation.cs
index 322a16fa..4a1cb783 100644
--- a/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildMutation.cs
+++ b/visual-dotnet/SauceLabs.Visual/GraphQL/CreateBuildMutation.cs
@@ -12,7 +12,8 @@ mutation createBuild($input: BuildIn!) {
                     url,
                     project,
                     branch,
-                    name
+                    name,
+                    defaultBranch
                 }
             }
         ";
diff --git a/visual-dotnet/SauceLabs.Visual/VisualClient.cs b/visual-dotnet/SauceLabs.Visual/VisualClient.cs
index 85f6dae8..0f73709d 100644
--- a/visual-dotnet/SauceLabs.Visual/VisualClient.cs
+++ b/visual-dotnet/SauceLabs.Visual/VisualClient.cs
@@ -106,6 +106,7 @@ private async Task<VisualBuild> CreateBuild(CreateBuildOptions? options = null)
                 Project = options?.Project,
                 Branch = options?.Branch,
                 CustomId = options?.CustomId,
+                DefaultBranch = options?.DefaultBranch,
             })).EnsureValidResponse();
             return new VisualBuild(result.Result.Id, result.Result.Url);
         }