diff --git a/Build.cs b/Build.cs
index d68217e..1b2be35 100644
--- a/Build.cs
+++ b/Build.cs
@@ -348,7 +348,7 @@ private void SonarLogger(OutputType type, string text)
             }
         });
 
-    public void CustomDotnetLogger(OutputType type, string text)
+    public static void CustomDotnetLogger(OutputType type, string text)
     {
         Logger.Info(text);
 
@@ -950,7 +950,7 @@ private async Task<string> SendSwaggerSchemaToValidator(HttpClient httpClient, s
             }
         });
 
-    private void GitLogger(OutputType type, string text)
+    private static void GitLogger(OutputType type, string text)
     {
         if (text.Contains("github returned 422 Unprocessable Entity") && text.Contains("already_exists"))
         {
diff --git a/Configuration.cs b/Configuration.cs
index 9b22a3b..5441f90 100644
--- a/Configuration.cs
+++ b/Configuration.cs
@@ -4,8 +4,8 @@
 [TypeConverter(typeof(TypeConverter<Configuration>))]
 public class Configuration : Enumeration
 {
-    public static Configuration Debug = new Configuration { Value = nameof(Debug) };
-    public static Configuration Release = new Configuration { Value = nameof(Release) };
+    public readonly static Configuration Debug = new Configuration { Value = nameof(Debug) };
+    public readonly static Configuration Release = new Configuration { Value = nameof(Release) };
 
     public static implicit operator string(Configuration configuration)
     {