diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 8c99ebc1444..0149ca3ab6d 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-    <LangVersion>preview</LangVersion>
+    <LangVersion>13.0</LangVersion>
     <Version Condition="$(Version) == ''">0.0.0</Version>
     <NoWarn>$(NoWarn);CS0436;RS0026;RS0027;RS0041;AD0001;CS1591;NU5104;NU5128;NU5501</NoWarn>
     <WarningsAsErrors>$(WarningsAsErrors);nullable</WarningsAsErrors>
diff --git a/src/GreenDonut/src/GreenDonut.Data.Primitives/SortBy.cs b/src/GreenDonut/src/GreenDonut.Data.Primitives/SortBy.cs
index ac091dd6cdf..14e824b005c 100644
--- a/src/GreenDonut/src/GreenDonut.Data.Primitives/SortBy.cs
+++ b/src/GreenDonut/src/GreenDonut.Data.Primitives/SortBy.cs
@@ -35,7 +35,7 @@ public SortBy(Expression<Func<TEntity, TValue>> keySelector, bool ascending = tr
     /// <summary>
     /// Gets the sort direction.
     /// </summary>
-    public bool Ascending { get => field; init; }
+    public bool Ascending { get; init; }
 
     /// <summary>
     /// Applies the sort operation to the queryable.
diff --git a/src/HotChocolate/CostAnalysis/src/CostAnalysis/Options/RequestCostOptions.cs b/src/HotChocolate/CostAnalysis/src/CostAnalysis/Options/RequestCostOptions.cs
index 6d64d41630f..65700b7182c 100644
--- a/src/HotChocolate/CostAnalysis/src/CostAnalysis/Options/RequestCostOptions.cs
+++ b/src/HotChocolate/CostAnalysis/src/CostAnalysis/Options/RequestCostOptions.cs
@@ -5,6 +5,9 @@ namespace HotChocolate.CostAnalysis;
 /// </summary>
 public record RequestCostOptions
 {
+    private bool _enforceCostLimits;
+    private bool _skipAnalyzer;
+
     /// <summary>
     /// Request options for cost analysis.
     /// </summary>
@@ -79,7 +82,7 @@ public RequestCostOptions(
     /// </summary>
     public bool EnforceCostLimits
     {
-        get;
+        get => _enforceCostLimits;
         init
         {
             if (value)
@@ -87,7 +90,7 @@ public bool EnforceCostLimits
                 SkipAnalyzer = false;
             }
 
-            field = value;
+            _enforceCostLimits = value;
         }
     }
 
@@ -96,7 +99,7 @@ public bool EnforceCostLimits
     /// </summary>
     public bool SkipAnalyzer
     {
-        get;
+        get => _skipAnalyzer;
         init
         {
             if (value)
@@ -104,7 +107,7 @@ public bool SkipAnalyzer
                 EnforceCostLimits = false;
             }
 
-            field = value;
+            _skipAnalyzer = value;
         }
     }