diff --git a/DotPDF/DotPDF.csproj b/DotPDF/DotPDF.csproj
index 1a37965..caf367b 100644
--- a/DotPDF/DotPDF.csproj
+++ b/DotPDF/DotPDF.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="PDFsharp-MigraDoc-gdi" Version="1.50.5147" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Test/Test.csproj b/Test/Test.csproj
index d4b5a3c..2f86388 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -10,7 +10,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.*" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.5" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.5" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="PDFsharp-MigraDoc-gdi" Version="1.50.5147" />
   </ItemGroup>
 </Project>
\ No newline at end of file