diff --git a/eng/Versions.props b/eng/Versions.props
index 9dd04afadc0..9d1d8dc0874 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -13,8 +13,8 @@
     <DotNetRuntimeCurrentVersionForTesting>9.0.6</DotNetRuntimeCurrentVersionForTesting>
     <!-- dotnet 8.0 versions for running tests - used for templates tests -->
     <DotNetSdkPreviousVersionForTesting>8.0.406</DotNetSdkPreviousVersionForTesting>
-    <!-- dotnet 10.0 versions for running tests - used for templates tests -->
-    <DotNetSdkCurrentVersionForTesting>9.0.200</DotNetSdkCurrentVersionForTesting>
+    <!-- dotnet 9.0 versions for running tests - used for templates tests -->
+    <DotNetSdkCurrentVersionForTesting>9.0.304</DotNetSdkCurrentVersionForTesting>
     <XunitV3Version>3.0.0-pre.25</XunitV3Version>
     <XUnitAnalyzersVersion>1.21.0</XUnitAnalyzersVersion>
     <XunitRunnerVisualStudioVersion>3.1.0</XunitRunnerVisualStudioVersion>
diff --git a/src/Aspire.ProjectTemplates/templates/aspire-empty/9.3/AspireApplication.1.sln b/src/Aspire.ProjectTemplates/templates/aspire-empty/9.3/AspireApplication.1.sln
index 4fdf015975d..2b3222becf9 100644
--- a/src/Aspire.ProjectTemplates/templates/aspire-empty/9.3/AspireApplication.1.sln
+++ b/src/Aspire.ProjectTemplates/templates/aspire-empty/9.3/AspireApplication.1.sln
@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.0.0
 MinimumVisualStudioVersion = 17.8.0.0
diff --git a/src/Aspire.ProjectTemplates/templates/aspire-empty/9.4/AspireApplication.1.sln b/src/Aspire.ProjectTemplates/templates/aspire-empty/9.4/AspireApplication.1.sln
index 4fdf015975d..2b3222becf9 100644
--- a/src/Aspire.ProjectTemplates/templates/aspire-empty/9.4/AspireApplication.1.sln
+++ b/src/Aspire.ProjectTemplates/templates/aspire-empty/9.4/AspireApplication.1.sln
@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.0.0
 MinimumVisualStudioVersion = 17.8.0.0
diff --git a/src/Aspire.ProjectTemplates/templates/aspire-starter/9.3/Aspire-StarterApplication.1.sln b/src/Aspire.ProjectTemplates/templates/aspire-starter/9.3/Aspire-StarterApplication.1.sln
index e11995b0dd0..a90a362a5f7 100644
--- a/src/Aspire.ProjectTemplates/templates/aspire-starter/9.3/Aspire-StarterApplication.1.sln
+++ b/src/Aspire.ProjectTemplates/templates/aspire-starter/9.3/Aspire-StarterApplication.1.sln
@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.0.0
 MinimumVisualStudioVersion = 17.8.0.0
diff --git a/src/Aspire.ProjectTemplates/templates/aspire-starter/9.4/Aspire-StarterApplication.1.sln b/src/Aspire.ProjectTemplates/templates/aspire-starter/9.4/Aspire-StarterApplication.1.sln
index e11995b0dd0..a90a362a5f7 100644
--- a/src/Aspire.ProjectTemplates/templates/aspire-starter/9.4/Aspire-StarterApplication.1.sln
+++ b/src/Aspire.ProjectTemplates/templates/aspire-starter/9.4/Aspire-StarterApplication.1.sln
@@ -1,4 +1,4 @@
-Microsoft Visual Studio Solution File, Format Version 12.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.8.0.0
 MinimumVisualStudioVersion = 17.8.0.0
diff --git a/tests/Aspire.Templates.Tests/TemplateTestsBase.cs b/tests/Aspire.Templates.Tests/TemplateTestsBase.cs
index 2b2f6199cbb..56b811e2fdf 100644
--- a/tests/Aspire.Templates.Tests/TemplateTestsBase.cs
+++ b/tests/Aspire.Templates.Tests/TemplateTestsBase.cs
@@ -270,12 +270,7 @@ public static IEnumerable<string> GetProjectNamesForTest()
         {
             // Avoid running these cases on PR validation
 
-            if (!OperatingSystem.IsWindows())
-            {
-                // ActiveIssue for windows: https://github.com/dotnet/aspire/issues/4555
-                yield return "aspire_龦唉丂荳_㐁ᠭ_ᠤསྲིདخەلꌠ_1ᥕ";
-            }
-
+            yield return "aspire_龦唉丂荳_㐁ᠭ_ᠤསྲིདخەلꌠ_1ᥕ项目1"; // sln should have UTF-8 byte order mark
             yield return "aspire_starter.1period then.34letters";
             yield return "aspire-starter & with.1";