diff --git a/samples/server/petstore/fsharp-functions/OpenAPI/OpenAPI.fsproj b/samples/server/petstore/fsharp-functions/OpenAPI/OpenAPI.fsproj
index e26976729b75..77f8e410366d 100644
--- a/samples/server/petstore/fsharp-functions/OpenAPI/OpenAPI.fsproj
+++ b/samples/server/petstore/fsharp-functions/OpenAPI/OpenAPI.fsproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.24" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup> 
     <None Include="host.json">