diff --git a/src/Ascom.Alpaca.Client.Demo.Desktop/packages.config b/src/Ascom.Alpaca.Client.Demo.Desktop/packages.config
index 2de0e05..3fbb87e 100644
--- a/src/Ascom.Alpaca.Client.Demo.Desktop/packages.config
+++ b/src/Ascom.Alpaca.Client.Demo.Desktop/packages.config
@@ -6,7 +6,7 @@
   <package id="LamarCodeGeneration" version="1.0.0" targetFramework="net472" />
   <package id="Microsoft.Extensions.DependencyInjection.Abstractions" version="2.2.0" targetFramework="net472" />
   <package id="Microsoft.Extensions.Logging.Abstractions" version="2.2.0" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="RestSharp" version="106.6.9" targetFramework="net472" />
   <package id="Serilog" version="2.8.0" targetFramework="net472" />
   <package id="Serilog.Sinks.Debug" version="1.0.1" targetFramework="net472" />
diff --git a/src/Ascom.Alpaca.Client/Ascom.Alpaca.Client.csproj b/src/Ascom.Alpaca.Client/Ascom.Alpaca.Client.csproj
index ce188b4..f1d829f 100644
--- a/src/Ascom.Alpaca.Client/Ascom.Alpaca.Client.csproj
+++ b/src/Ascom.Alpaca.Client/Ascom.Alpaca.Client.csproj
@@ -32,7 +32,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="RestSharp" Version="106.6.9" />
   </ItemGroup>