diff --git a/samples/durable-functions/dotnet/PdfSummarizer/pdf-summarizer-dotnet.csproj b/samples/durable-functions/dotnet/PdfSummarizer/pdf-summarizer-dotnet.csproj
index be39c0a5..6b273864 100644
--- a/samples/durable-functions/dotnet/PdfSummarizer/pdf-summarizer-dotnet.csproj
+++ b/samples/durable-functions/dotnet/PdfSummarizer/pdf-summarizer-dotnet.csproj
@@ -22,7 +22,7 @@
     <PackageReference Include="Azure.Storage.Blobs" Version="12.22.2" />
     <PackageReference Include="Azure.Identity" Version="1.17.0" />
     <PackageReference Include="Azure.AI.FormRecognizer" Version="4.1.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Storage.Blobs" Version="5.0.0" />
     <PackageReference Include="Contrib.Grpc.Core.M1" Version="2.41.0" />
   </ItemGroup>