diff --git a/src/core-sdk-tasks/CalculateTemplateVersions.cs b/src/core-sdk-tasks/CalculateTemplateVersions.cs
index 97ccdfd14..0d12e7ea4 100644
--- a/src/core-sdk-tasks/CalculateTemplateVersions.cs
+++ b/src/core-sdk-tasks/CalculateTemplateVersions.cs
@@ -23,7 +23,6 @@ namespace Microsoft.DotNet.Cli.Build
         [Required]
         public string ProductMonikerRid { get; set; }
 
-        [Required]
         public string InstallerExtension { get; set; }
 
         [Required]