diff --git a/src/FX.Core/FX.Core.fsproj b/src/FX.Core/FX.Core.fsproj
index cc0abc1..65e1938 100644
--- a/src/FX.Core/FX.Core.fsproj
+++ b/src/FX.Core/FX.Core.fsproj
@@ -14,6 +14,6 @@
   <ItemGroup>
     <PackageReference Include="FSharp.Core" Version="4.5.2" />
     <PackageReference Include="StackExchange.Redis" Version="2.0.513" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 </Project>
diff --git a/src/FX.Tests/FX.Tests.csproj b/src/FX.Tests/FX.Tests.csproj
index b71a6da..e5d0208 100644
--- a/src/FX.Tests/FX.Tests.csproj
+++ b/src/FX.Tests/FX.Tests.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="NUnit3TestAdapter" Version="3.9.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="StackExchange.Redis" Version="2.0.513" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
   <ItemGroup>
     <Compile Remove="Class1.cs" />