diff --git a/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs b/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
index ff17b7b0e28..9c02a9ef4be 100644
--- a/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
+++ b/src/Aspire.Hosting/ApplicationModel/ResourceExtensions.cs
@@ -387,7 +387,7 @@ internal static IEnumerable<NetworkIdentifier> GetSupportedNetworks(this IResour
     /// <param name="certificateDirectoryPathsFactory">A function that takes the active <see cref="CertificateTrustScope"/> and returns a <see cref="ReferenceExpression"/> representing path(s) to a directory containing the custom certificates for the resource.</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)