diff --git a/src/Backend/AutopilotMonitor.Functions/AutopilotMonitor.Functions.csproj b/src/Backend/AutopilotMonitor.Functions/AutopilotMonitor.Functions.csproj
index 9e757866..ce4bd789 100644
--- a/src/Backend/AutopilotMonitor.Functions/AutopilotMonitor.Functions.csproj
+++ b/src/Backend/AutopilotMonitor.Functions/AutopilotMonitor.Functions.csproj
@@ -28,20 +28,20 @@
 
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Azure.Identity" Version="1.19.0" />
+    <PackageReference Include="Azure.Identity" Version="1.21.0" />
     <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.23.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.51.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.1.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.SignalRService" Version="2.0.1" />
-    <PackageReference Include="Microsoft.Azure.SignalR.Management" Version="1.29.0" />
+    <PackageReference Include="Microsoft.Azure.SignalR.Management" Version="1.33.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Timer" Version="4.3.1" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Storage.Queues" Version="5.5.4" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
-    <PackageReference Include="Azure.Data.Tables" Version="12.9.1" />
-    <PackageReference Include="Azure.Storage.Blobs" Version="12.22.2" />
-    <PackageReference Include="Azure.Storage.Queues" Version="12.23.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Azure.Data.Tables" Version="12.11.0" />
+    <PackageReference Include="Azure.Storage.Blobs" Version="12.27.0" />
+    <PackageReference Include="Azure.Storage.Queues" Version="12.25.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="Microsoft.Identity.Web" Version="4.8.0" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.7" />
     <!-- Pin to override transitive 10.0.0 brought in by Microsoft.Identity.Web; 10.0.0 has GHSA-9mv3-2cwr-p262 (critical). -->
diff --git a/src/Backend/AutopilotMonitor.Functions/Security/CertificateValidator.cs b/src/Backend/AutopilotMonitor.Functions/Security/CertificateValidator.cs
index ebab0cac..e69f3ceb 100644
--- a/src/Backend/AutopilotMonitor.Functions/Security/CertificateValidator.cs
+++ b/src/Backend/AutopilotMonitor.Functions/Security/CertificateValidator.cs
@@ -66,7 +66,7 @@ namespace AutopilotMonitor.Functions.Security
 
                 // Parse certificate from Base64
                 var certBytes = Convert.FromBase64String(certificateBase64);
-                var certificate = new X509Certificate2(certBytes);
+                var certificate = X509CertificateLoader.LoadCertificate(certBytes);
                 var thumbprint = certificate.Thumbprint;
 
                 logger?.LogDebug($"Validating certificate: Subject={certificate.Subject}, Issuer={certificate.Issuer}, Thumbprint={thumbprint}");