diff --git a/OAuth2Net.Demo/packages.config b/OAuth2Net.Demo/packages.config
index 8ede87b..5402092 100644
--- a/OAuth2Net.Demo/packages.config
+++ b/OAuth2Net.Demo/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/OAuth2Net/OAuth2Net.csproj b/OAuth2Net/OAuth2Net.csproj
index a0ada32..47b7b52 100644
--- a/OAuth2Net/OAuth2Net.csproj
+++ b/OAuth2Net/OAuth2Net.csproj
@@ -25,7 +25,7 @@ LinkedIn v2, GitHub, Facebook v3.3, Google v2</Description>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
   <ItemGroup>