diff --git a/csharp/FileManager/FileManager.csproj b/csharp/FileManager/FileManager.csproj
index 246106cc..0d7472d1 100644
--- a/csharp/FileManager/FileManager.csproj
+++ b/csharp/FileManager/FileManager.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.1.1" />
+    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.5.1" />
   </ItemGroup>
   
   <ItemGroup>
diff --git a/csharp/Interfaces/Interfaces.csproj b/csharp/Interfaces/Interfaces.csproj
index f47d0035..0c469176 100644
--- a/csharp/Interfaces/Interfaces.csproj
+++ b/csharp/Interfaces/Interfaces.csproj
@@ -10,7 +10,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.1.1" />
+    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.5.1" />
   </ItemGroup>
 
 </Project>
diff --git a/csharp/Platform.Bot/Platform.Bot.csproj b/csharp/Platform.Bot/Platform.Bot.csproj
index 1e6485e9..de7c22c8 100644
--- a/csharp/Platform.Bot/Platform.Bot.csproj
+++ b/csharp/Platform.Bot/Platform.Bot.csproj
@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Octokit" Version="2.0.0" />
     <PackageReference Include="Platform.Communication.Protocol.Lino" Version="0.4.0" />
-    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.1.1" />
+    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.5.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/csharp/Storage/Storage.csproj b/csharp/Storage/Storage.csproj
index b9d63826..2720a32f 100644
--- a/csharp/Storage/Storage.csproj
+++ b/csharp/Storage/Storage.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Octokit" Version="2.0.0" />
-    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.1.1" />
+    <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.5.1" />
     <PackageReference Include="Platform.Exceptions" Version="0.4.0" />
   </ItemGroup>
 
diff --git a/csharp/TraderBot/TraderBot.csproj b/csharp/TraderBot/TraderBot.csproj
index 11fc4a3e..b8aba28b 100644
--- a/csharp/TraderBot/TraderBot.csproj
+++ b/csharp/TraderBot/TraderBot.csproj
@@ -10,7 +10,7 @@
     <ItemGroup>
         <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="4.0.2" />
         <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
-        <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.1.1" />
+        <PackageReference Include="Platform.Data.Doublets.Sequences" Version="0.5.1" />
         <PackageReference Include="Tinkoff.InvestApi" Version="0.4.1" />
     </ItemGroup>