diff --git a/csharp/Storyteller.Tests/Storyteller.Tests.csproj b/csharp/Storyteller.Tests/Storyteller.Tests.csproj
index c83052c..7d99498 100644
--- a/csharp/Storyteller.Tests/Storyteller.Tests.csproj
+++ b/csharp/Storyteller.Tests/Storyteller.Tests.csproj
@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-        <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageReference Include="NSubstitute" Version="4.1.0" />
         <PackageReference Include="Shouldly" Version="3.0.2" />
         <PackageReference Include="xunit" Version="2.4.0" />
diff --git a/csharp/Storyteller/Storyteller.csproj b/csharp/Storyteller/Storyteller.csproj
index 8ec9664..1a36c40 100644
--- a/csharp/Storyteller/Storyteller.csproj
+++ b/csharp/Storyteller/Storyteller.csproj
@@ -8,7 +8,7 @@
         <PackageReference Include="Baseline" Version="1.5.0" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="2.0.0" />
         <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="2.1.0" />
-        <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageReference Include="System.Text.Encodings.Web" Version="4.5.0" />
     </ItemGroup>