diff --git a/src/UserPreference.Functions/UserPreference.Functions.csproj b/src/UserPreference.Functions/UserPreference.Functions.csproj
index 058b1d8..77f54ad 100644
--- a/src/UserPreference.Functions/UserPreference.Functions.csproj
+++ b/src/UserPreference.Functions/UserPreference.Functions.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.19.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.1.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.DurableTask" Version="1.0.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.1.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.16.4" />