diff --git a/Configuration/GlobalAssemblyInfo.cs b/Configuration/GlobalAssemblyInfo.cs
index 433d3aa2a..3ccd6832c 100644
--- a/Configuration/GlobalAssemblyInfo.cs
+++ b/Configuration/GlobalAssemblyInfo.cs
@@ -15,7 +15,7 @@ internal static class RevisionClass
 	public const string Major = "3";
 	public const string Minor = "11";
 	public const string Build = "1";
-	public const string Revision = "3815";
+	public const string Revision = "3821";
 
         public const string MainVersion = Major + "." + Minor;
 	public const string FullVersion = Major + "." + Minor + "." + Build + "." + Revision;
diff --git a/Configuration/Version.defs b/Configuration/Version.defs
index b4201e831..333f34bd5 100644
--- a/Configuration/Version.defs
+++ b/Configuration/Version.defs
@@ -1,4 +1,4 @@
 %MINOR%=11
-%REVISION%=3815
+%REVISION%=3821
 %COREVERSION%=1
 %MAJOR%=3
diff --git a/InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_LabelEncoder.pas b/InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_OrdinalEncoder.pas
similarity index 95%
rename from InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_LabelEncoder.pas
rename to InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_OrdinalEncoder.pas
index 2f5fd8104..86e34436c 100644
--- a/InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_LabelEncoder.pas
+++ b/InstallerSamples/MachineLearning/03_Preprocessing/03_Imputer_OrdinalEncoder.pas
@@ -22,7 +22,7 @@ city,population,region
   df := imputer.FitTransform(df);
 
   // Кодируем названия регионов числами 0, 1, 2, ...
-  var encoder := new LabelEncoder('region');
+  var encoder := new OrdinalEncoder('region');
   df := encoder.FitTransform(df);
 
   Println('После Imputer и LabelEncoder:');