diff --git a/src/Mpgp.Shared/Mpgp.Shared.csproj b/src/Mpgp.Shared/Mpgp.Shared.csproj
index 8d7f425..4c47519 100644
--- a/src/Mpgp.Shared/Mpgp.Shared.csproj
+++ b/src/Mpgp.Shared/Mpgp.Shared.csproj
@@ -15,7 +15,7 @@
     <Analyzer Include="..\..\libs\microsoft.codeanalysis.analyzers\1.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.Analyzers.dll" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="prometheus-net.AspNetCore" Version="4.0.0" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
diff --git a/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj b/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
index 6a2845f..c557c07 100644
--- a/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
+++ b/src/Mpgp.WebSocketServer/Mpgp.WebSocketServer.csproj
@@ -21,7 +21,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.9" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.9" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.9" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>