diff --git a/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Client/syp.biz.SockJS.NET.Client.csproj b/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Client/syp.biz.SockJS.NET.Client.csproj
index 8d65474..f0525c3 100644
--- a/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Client/syp.biz.SockJS.NET.Client.csproj
+++ b/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Client/syp.biz.SockJS.NET.Client.csproj
@@ -28,7 +28,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Common/syp.biz.SockJS.NET.Common.csproj b/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Common/syp.biz.SockJS.NET.Common.csproj
index d878bfa..8c163f5 100644
--- a/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Common/syp.biz.SockJS.NET.Common.csproj
+++ b/syp.biz/SockJS.NET/syp.biz.SockJS.NET.Common/syp.biz.SockJS.NET.Common.csproj
@@ -28,7 +28,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup>