diff --git a/src/UnitTests/RxTelegram.Bot.UnitTests.csproj b/src/UnitTests/RxTelegram.Bot.UnitTests.csproj
index fba83b4..2a27603 100644
--- a/src/UnitTests/RxTelegram.Bot.UnitTests.csproj
+++ b/src/UnitTests/RxTelegram.Bot.UnitTests.csproj
@@ -13,7 +13,7 @@
         <PackageReference Include="nunit" Version="4.3.2" />
         <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-        <PackageReference Include="System.Reactive" Version="6.0.1" />
+        <PackageReference Include="System.Reactive" Version="6.1.0" />
     </ItemGroup>
 
     <ItemGroup>