diff --git a/Directory.Packages.props b/Directory.Packages.props
index da44531b..e62113b4 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -41,7 +41,7 @@
     <PackageVersion Include="FastMember" Version="1.5.0" />
 
     <!-- Identity / Auth (modern MSAL replaces ADAL) -->
-    <PackageVersion Include="Microsoft.Identity.Client" Version="4.61.3" />
+    <PackageVersion Include="Microsoft.Identity.Client" Version="4.81.0" />
 
     <!-- Testing -->
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />