diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index a032edea6116..6097e9a2134d 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -111,7 +111,7 @@
     <PackageVersion Include="Grpc.Net.Client" Version="2.66.0" />
     <PackageVersion Include="protobuf-net" Version="3.2.45" />
     <PackageVersion Include="protobuf-net.Reflection" Version="3.2.12" />
-    <PackageVersion Include="YamlDotNet" Version="15.3.0" />
+    <PackageVersion Include="YamlDotNet" Version="16.2.1" />
     <PackageVersion Include="Fluid.Core" Version="2.11.1" />
     <!-- Memory stores -->
     <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.45.2" />
diff --git a/dotnet/src/Functions/Functions.Yaml/PromptExecutionSettingsTypeConverter.cs b/dotnet/src/Functions/Functions.Yaml/PromptExecutionSettingsTypeConverter.cs
index 12431752d6e5..410ad504bd30 100644
--- a/dotnet/src/Functions/Functions.Yaml/PromptExecutionSettingsTypeConverter.cs
+++ b/dotnet/src/Functions/Functions.Yaml/PromptExecutionSettingsTypeConverter.cs
@@ -25,7 +25,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public object? ReadYaml(IParser parser, Type type)
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
     {
         s_deserializer ??= new DeserializerBuilder()
             .WithNamingConvention(UnderscoredNamingConvention.Instance)
@@ -58,7 +58,7 @@ public bool Accepts(Type type)
     }
 
     /// <inheritdoc/>
-    public void WriteYaml(IEmitter emitter, object? value, Type type)
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
     {
         throw new NotImplementedException();
     }