diff --git a/FileToKindle.MacOS/packages.config b/FileToKindle.MacOS/packages.config
index b656773..c3c1092 100644
--- a/FileToKindle.MacOS/packages.config
+++ b/FileToKindle.MacOS/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="MailKit" version="2.5.0" targetFramework="xamarinmac20" />
   <package id="MimeKit" version="2.5.0" targetFramework="xamarinmac20" />
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="xamarinmac20" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="xamarinmac20" />
   <package id="Portable.BouncyCastle" version="1.8.5" targetFramework="xamarinmac20" />
   <package id="Refractored.MvvmHelpers" version="1.6.1-beta" targetFramework="xamarinmac20" />
   <package id="System.Data.Common" version="4.3.0" targetFramework="xamarinmac20" />
diff --git a/FileToKindle.Shared/FileToKindle.Shared.csproj b/FileToKindle.Shared/FileToKindle.Shared.csproj
index d647263..1911ffe 100644
--- a/FileToKindle.Shared/FileToKindle.Shared.csproj
+++ b/FileToKindle.Shared/FileToKindle.Shared.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="Xamarin.Essentials" Version="1.3.1" />
     <PackageReference Include="Refractored.MvvmHelpers" Version="1.6.1-beta" />
     <PackageReference Include="MailKit" Version="2.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
   <ItemGroup>
     <None Remove="FileToKindle.MacOS\Info.plist" />