diff --git a/appveyor.yml b/appveyor.yml
index 5ebda5c4..ecf0a59c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,5 @@
 environment:
-  build_version: 8.1.1
+  build_version: 8.2.0
 version: $(build_version)-{build}
 image: Visual Studio 2022
 configuration: Release
diff --git a/src/ConfigCat.Client.Tests/OverrideTests.cs b/src/ConfigCat.Client.Tests/OverrideTests.cs
index 24189aab..a6d5df4b 100644
--- a/src/ConfigCat.Client.Tests/OverrideTests.cs
+++ b/src/ConfigCat.Client.Tests/OverrideTests.cs
@@ -564,7 +564,6 @@ public void OverrideValueTypeMismatchShouldBeHandledCorrectly_SimplifiedConfig(s
             overrideValueJson.Deserialize<System.Text.Json.JsonElement>();
 #endif
 
-
         var filePath = Path.GetTempFileName();
         File.WriteAllText(filePath, $"{{ \"flags\": {{ \"{key}\": {overrideValueJson} }} }}");
 
diff --git a/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs b/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
index 56de299e..25006fa4 100644
--- a/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
+++ b/src/ConfigCatClient/Evaluation/RolloutEvaluator.cs
@@ -1,8 +1,8 @@
-using ConfigCat.Client.Versioning;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
+using ConfigCat.Client.Versioning;
 
 using static System.FormattableString;