diff --git a/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs b/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
index ad66cb87edc..2d1093ea48d 100644
--- a/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
+++ b/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
@@ -391,7 +391,7 @@ internal static NetworkIdentifier GetDefaultResourceNetwork(this IResource resou
     /// <param name="networkContext">An optional network identifier providing context for resolving network-related values.</param>
     /// <param name="cancellationToken">A cancellation token to observe while processing.</param>
     /// <returns>A task that represents the asynchronous operation.</returns>
-    public static async ValueTask<(CertificateTrustScope, X509Certificate2Collection?)> ProcessCertificateTrustConfigAsync(
+    internal static async ValueTask<(CertificateTrustScope, X509Certificate2Collection?)> ProcessCertificateTrustConfigAsync(
         this IResource resource,
         DistributedApplicationExecutionContext executionContext,
         // (unprocessed, processed, exception, isSensitive)