diff --git a/TSIM.WebServer/TSIM.WebServer.csproj b/TSIM.WebServer/TSIM.WebServer.csproj
index f58e115..06b0a6a 100644
--- a/TSIM.WebServer/TSIM.WebServer.csproj
+++ b/TSIM.WebServer/TSIM.WebServer.csproj
@@ -9,7 +9,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.0.3" />
-        <PackageReference Include="PeterO.Cbor" Version="4.4.2" />
+        <PackageReference Include="PeterO.Cbor" Version="4.5.1" />
         <PackageReference Include="RabbitMQ.Client" Version="6.2.1" />
     </ItemGroup>
 
diff --git a/TSIM/TSIM.csproj b/TSIM/TSIM.csproj
index 2346b8b..4a79606 100644
--- a/TSIM/TSIM.csproj
+++ b/TSIM/TSIM.csproj
@@ -14,7 +14,7 @@
     <ItemGroup>
       <PackageReference Include="CommandLineParser" Version="2.6.0" />
       <PackageReference Include="GtkSharp" Version="3.22.25.56" />
-      <PackageReference Include="PeterO.Cbor" Version="4.4.2" />
+      <PackageReference Include="PeterO.Cbor" Version="4.5.1" />
     </ItemGroup>
 
 </Project>