diff --git a/NExtends.Tests/packages.config b/NExtends.Tests/packages.config
index 6d2b4dc..376abb5 100644
--- a/NExtends.Tests/packages.config
+++ b/NExtends.Tests/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="7.0.1" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
 </packages>
\ No newline at end of file
diff --git a/NExtends/NExtends.csproj b/NExtends/NExtends.csproj
index db31c53..b5a360f 100644
--- a/NExtends/NExtends.csproj
+++ b/NExtends/NExtends.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.5.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
   </ItemGroup>