diff --git a/src/Compilers/Core/MSBuildTask/Microsoft.CSharp.Core.targets b/src/Compilers/Core/MSBuildTask/Microsoft.CSharp.Core.targets
index 8810b43f2482e..bf1e4ca551aca 100644
--- a/src/Compilers/Core/MSBuildTask/Microsoft.CSharp.Core.targets
+++ b/src/Compilers/Core/MSBuildTask/Microsoft.CSharp.Core.targets
@@ -22,6 +22,10 @@
     <_MaxSupportedLangVersion Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND
                                          '$(_MaxSupportedLangVersion)' == ''">$([MSBuild]::Add(9, $([MSBuild]::Subtract($(_TargetFrameworkVersionWithoutV), 5)))).0</_MaxSupportedLangVersion>
 
+    <!-- Cap _MaxSupportedLangVersion if it exceeds _MaxAvailableLangVersion -->
+    <_MaxAvailableLangVersion>13.0</_MaxAvailableLangVersion>
+    <_MaxSupportedLangVersion Condition="$(_MaxSupportedLangVersion) &gt; $(_MaxAvailableLangVersion)">$(_MaxAvailableLangVersion)</_MaxSupportedLangVersion>
+
     <MaxSupportedLangVersion>$(_MaxSupportedLangVersion)</MaxSupportedLangVersion>
     <LangVersion Condition="'$(LangVersion)' == '' AND '$(_MaxSupportedLangVersion)' != ''">$(_MaxSupportedLangVersion)</LangVersion>
   </PropertyGroup>
diff --git a/src/Compilers/Core/MSBuildTaskTests/TargetTests.cs b/src/Compilers/Core/MSBuildTaskTests/TargetTests.cs
index bcb6583df8dec..45c1d1a755fb3 100644
--- a/src/Compilers/Core/MSBuildTaskTests/TargetTests.cs
+++ b/src/Compilers/Core/MSBuildTaskTests/TargetTests.cs
@@ -403,7 +403,7 @@ public void GenerateEditorConfigCoreHandlesMalformedCompilerVisibleItemMetadata(
         [InlineData(".NETCoreApp", "7.0", "11.0")]
         [InlineData(".NETCoreApp", "8.0", "12.0")]
         [InlineData(".NETCoreApp", "9.0", "13.0")]
-        [InlineData(".NETCoreApp", "10.0", "14.0")]
+        [InlineData(".NETCoreApp", "10.0", "13.0")] // update when 14.0 is released
 
         [InlineData(".NETStandard", "1.0", "7.3")]
         [InlineData(".NETStandard", "1.5", "7.3")]