diff --git a/webapi/CopilotChatWebApi.csproj b/webapi/CopilotChatWebApi.csproj
index 767b0c90d..a8ca37a21 100644
--- a/webapi/CopilotChatWebApi.csproj
+++ b/webapi/CopilotChatWebApi.csproj
@@ -20,7 +20,7 @@
   <ItemGroup>
     <PackageReference Include="Azure.Extensions.AspNetCore.Configuration.Secrets" Version="1.3.2" />
     <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0" />
-    <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.42.0" />
+    <PackageReference Include="Microsoft.Azure.Cosmos" Version="3.43.0" />
     <PackageReference Include="Microsoft.Identity.Web" Version="2.20.0" />
     <PackageReference Include="Microsoft.KernelMemory.Abstractions" Version="0.66.240709.1" />
     <PackageReference Include="Microsoft.SemanticKernel" Version="1.15.1" />