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>