diff --git a/sk-csharp-azure-functions/sk-csharp-azure-functions.csproj b/sk-csharp-azure-functions/sk-csharp-azure-functions.csproj
index 5ede665..4dda0be 100644
--- a/sk-csharp-azure-functions/sk-csharp-azure-functions.csproj
+++ b/sk-csharp-azure-functions/sk-csharp-azure-functions.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <RepoRoot>$([System.IO.Path]::GetDirectoryName($([MSBuild]::GetPathOfFileAbove('.gitignore', '$(MSBuildThisFileDirectory)'))))</RepoRoot>
@@ -19,7 +19,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="6.0.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.0.13" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.12.0" OutputItemType="Analyzer" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.15.1" OutputItemType="Analyzer" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.18.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.OpenApi" Version="2.0.0-preview2" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.OpenApi" Version="2.0.0-preview2" TreatAsUsed="true" />
diff --git a/sk-csharp-chatgpt-plugin/azure-function/sk-chatgpt-azure-function.csproj b/sk-csharp-chatgpt-plugin/azure-function/sk-chatgpt-azure-function.csproj
index fee4a0a..52be5f7 100644
--- a/sk-csharp-chatgpt-plugin/azure-function/sk-chatgpt-azure-function.csproj
+++ b/sk-csharp-chatgpt-plugin/azure-function/sk-chatgpt-azure-function.csproj
@@ -20,7 +20,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="6.0.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.0.13" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.12.0" OutputItemType="Analyzer" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.15.1" OutputItemType="Analyzer" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.18.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.OpenApi" Version="2.0.0-preview2" />
     <PackageReference Include="Microsoft.Azure.WebJobs.Extensions.OpenApi" Version="2.0.0-preview2" TreatAsUsed="true" />