diff --git a/src/Markovify.NET/Markovify.NET.csproj b/src/Markovify.NET/Markovify.NET.csproj
index 710cdbd..9562b78 100644
--- a/src/Markovify.NET/Markovify.NET.csproj
+++ b/src/Markovify.NET/Markovify.NET.csproj
@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>