diff --git a/AspNetCoreSdkTests/TemplateTests.cs b/AspNetCoreSdkTests/TemplateTests.cs
index 72379cbd37..8ec6d843d4 100644
--- a/AspNetCoreSdkTests/TemplateTests.cs
+++ b/AspNetCoreSdkTests/TemplateTests.cs
@@ -109,7 +109,8 @@ namespace AspNetCoreSdkTests
             }
             else
             {
-                var packageSource = NuGetPackageSource.NuGetOrg;
+                // Pre-release SDKs require a private nuget feed
+                var packageSource = (DotNetUtil.SdkVersion == new Version(2, 1, 401)) ? NuGetPackageSource.EnvironmentVariableAndNuGetOrg : NuGetPackageSource.NuGetOrg;
 
                 // Self-contained
                 return new[]
diff --git a/AspNetCoreSdkTests/Util/DotNetUtil.cs b/AspNetCoreSdkTests/Util/DotNetUtil.cs
index e0aea32982..266e7b8193 100644
--- a/AspNetCoreSdkTests/Util/DotNetUtil.cs
+++ b/AspNetCoreSdkTests/Util/DotNetUtil.cs
@@ -34,8 +34,8 @@ namespace AspNetCoreSdkTests.Util
             var versionString = Regex.Match(info, @"Version:\W*([0-9.]+)").Groups[1].Value;
             var version = new Version(versionString);
 
-            // Supported version range is [2.1.300,2.1.302] (inclusive)
-            if (version >= new Version(2, 1, 300) && version <= new Version(2, 1, 302))
+            // Supported version range is [2.1.300,2.1.401] (inclusive)
+            if (version >= new Version(2, 1, 300) && version <= new Version(2, 1, 401))
             {
                 return version;
             }