diff --git a/CoreSim/src/RobotTwin.CoreSim/RobotTwin.CoreSim.csproj b/CoreSim/src/RobotTwin.CoreSim/RobotTwin.CoreSim.csproj
index ef9d7a5..dde3234 100644
--- a/CoreSim/src/RobotTwin.CoreSim/RobotTwin.CoreSim.csproj
+++ b/CoreSim/src/RobotTwin.CoreSim/RobotTwin.CoreSim.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">
-    <PackageReference Include="System.Text.Json" Version="10.0.3" />
+    <PackageReference Include="System.Text.Json" Version="10.0.5" />
   </ItemGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.1'">