diff --git a/Directory.Packages.props b/Directory.Packages.props
index 1362b42..bbcb296 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -6,7 +6,7 @@
     <MicrosoftVersion>8.0.0</MicrosoftVersion>
   </PropertyGroup>
   <ItemGroup Label="Nocr">
-    <PackageVersion Include="Nocr.TelegramListener.Async.Api.Contracts" />
+    <PackageVersion Include="Nocr.TelegramListener.Async.Api.Contracts" Version="0.6.2" />
   </ItemGroup>
   <ItemGroup>
     <PackageVersion Include="Swashbuckle.AspNetCore" Version="6.5.0" />
diff --git a/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Dto/TextSubscriptionData.cs b/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Dto/TextSubscriptionData.cs
index e5a0663..5959280 100644
--- a/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Dto/TextSubscriptionData.cs
+++ b/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Dto/TextSubscriptionData.cs
@@ -14,12 +14,12 @@ public sealed class TextSubscriptionData
     /// <summary>
     /// Username чата
     /// </summary>
-    public string ChatUsername { get; set; }
+    public required string ChatUsername { get; set; }
 
     /// <summary>
     /// Шаблон совпадения
     /// </summary>
-    public string Template { get; set; }
+    public required string Template { get; set; }
 
     /// <summary>
     /// Активен ли матч
diff --git a/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Requests/CreateTextSubscriptionRequest.cs b/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Requests/CreateTextSubscriptionRequest.cs
index 560dc6f..fc12d1b 100644
--- a/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Requests/CreateTextSubscriptionRequest.cs
+++ b/src/Nocr.TextMatcher.Api.Contracts/TextMatches/Requests/CreateTextSubscriptionRequest.cs
@@ -12,12 +12,12 @@ public class CreateTextSubscriptionRequest
     /// <summary>
     /// Username чата, на который нужно подписаться
     /// </summary>
-    public string ChatUsername { get; set; }
+    public required string ChatUsername { get; set; }
     
     /// <summary>
     /// Шаблон совпадения
     /// </summary>
-    public string Template { get; set; }
+    public required string Template { get; set; }
 
     /// <summary>
     /// Тип совпадения
diff --git a/src/Nocr.TextMatcher.Async.Api.Contracts/TextSubscriptionMatched.cs b/src/Nocr.TextMatcher.Async.Api.Contracts/TextSubscriptionMatched.cs
index 819beb8..3db5085 100644
--- a/src/Nocr.TextMatcher.Async.Api.Contracts/TextSubscriptionMatched.cs
+++ b/src/Nocr.TextMatcher.Async.Api.Contracts/TextSubscriptionMatched.cs
@@ -19,7 +19,7 @@ public class TextSubscriptionMatched : IEvent
     /// <summary>
     /// Username чата
     /// </summary>
-    public string ChatUsername { get; set; }
+    public required string ChatUsername { get; set; }
     
     /// <summary>
     /// Идентификатор сообщения
@@ -34,7 +34,7 @@ public class TextSubscriptionMatched : IEvent
     /// <summary>
     /// Шаблон совпадения
     /// </summary>
-    public string Template { get; set; }
+    public required string Template { get; set; }
     
     /// <summary>
     /// Имя или username  отправителя
@@ -44,7 +44,7 @@ public class TextSubscriptionMatched : IEvent
     /// <summary>
     /// Текст сообщения
     /// </summary>
-    public string Text { get; set; }
+    public required string Text { get; set; }
 
     /// <summary>
     /// Дата получения сообщения слушателем
diff --git a/src/Nocr.TextMatcher.Core/Options/RebusRabbitMqOptions.cs b/src/Nocr.TextMatcher.Core/Options/RebusRabbitMqOptions.cs
index e99f9d2..06c4fdf 100644
--- a/src/Nocr.TextMatcher.Core/Options/RebusRabbitMqOptions.cs
+++ b/src/Nocr.TextMatcher.Core/Options/RebusRabbitMqOptions.cs
@@ -5,22 +5,22 @@ public sealed class RebusRabbitMqOptions
     /// <summary>
     /// Строка подключение
     /// </summary>
-    public string ConnectionString { get; set; }
+    public required string ConnectionString { get; set; }
 
     /// <summary>
     /// Имя входящей очереди
     /// </summary>
-    public string InputQueueName { get; set; }
+    public required string InputQueueName { get; set; }
     
     /// <summary>
     /// Имя direct exchange
     /// </summary>
-    public string DirectExchangeName { get; set; }
+    public required string DirectExchangeName { get; set; }
     
     /// <summary>
     /// Имя topics exchange
     /// </summary>
-    public string TopicsExchangeName { get; set; }
+    public required string TopicsExchangeName { get; set; }
 
     /// <summary>
     /// Список подписок