diff --git a/src/Backend/Backend.csproj b/src/Backend/Backend.csproj
index 514cec1..fa8b453 100644
--- a/src/Backend/Backend.csproj
+++ b/src/Backend/Backend.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="10.0.7" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.7" />
     <PackageReference Include="Microsoft.Identity.Web.DownstreamApi" Version="4.8.0" />
-    <PackageReference Include="Microsoft.Identity.Web" Version="4.7.0" />
+    <PackageReference Include="Microsoft.Identity.Web" Version="4.9.0" />
   </ItemGroup>
 
 </Project>