diff --git a/src/Core/Hypepool.Common/Hypepool.Common.csproj b/src/Core/Hypepool.Common/Hypepool.Common.csproj
index 44a46b3..594558f 100644
--- a/src/Core/Hypepool.Common/Hypepool.Common.csproj
+++ b/src/Core/Hypepool.Common/Hypepool.Common.csproj
@@ -31,7 +31,7 @@
     <PackageReference Include="NetUV.Core" Version="0.1.140" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.1" />
     <PackageReference Include="Serilog" Version="2.6.0" />
-    <PackageReference Include="System.Reactive" Version="3.1.1" />
+    <PackageReference Include="System.Reactive" Version="4.1.2" />
     <PackageReference Include="xunit.analyzers" Version="0.8.0" />
   </ItemGroup>
 
diff --git a/src/Core/Hypepool.Core/Hypepool.Core.csproj b/src/Core/Hypepool.Core/Hypepool.Core.csproj
index 6e58eaa..63614e0 100644
--- a/src/Core/Hypepool.Core/Hypepool.Core.csproj
+++ b/src/Core/Hypepool.Core/Hypepool.Core.csproj
@@ -34,7 +34,7 @@
     <PackageReference Include="Serilog.Enrichers.Thread" Version="3.0.0" />
     <PackageReference Include="Serilog.Sinks.ColoredConsole" Version="3.0.1" />
     <PackageReference Include="Stashbox" Version="2.5.8" />
-    <PackageReference Include="System.Reactive" Version="3.1.1" />
+    <PackageReference Include="System.Reactive" Version="4.1.2" />
     <PackageReference Include="xunit.analyzers" Version="0.8.0" />
   </ItemGroup>