diff --git a/website/chatui/chatui.csproj b/website/chatui/chatui.csproj
index 09766b4..14dd540 100644
--- a/website/chatui/chatui.csproj
+++ b/website/chatui/chatui.csproj
@@ -10,6 +10,6 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Azure.AI.Projects" Version="1.2.0-beta.5" />
-    <PackageReference Include="Azure.Identity" Version="1.19.0" />
+    <PackageReference Include="Azure.Identity" Version="1.21.0" />
   </ItemGroup>
 </Project>