diff --git a/libs/pageserver_api/src/models.rs b/libs/pageserver_api/src/models.rs
index 3d40cfe121..dd7bea2916 100644
--- a/libs/pageserver_api/src/models.rs
+++ b/libs/pageserver_api/src/models.rs
@@ -1080,8 +1080,7 @@ pub struct TenantInfo {
 
     /// Opaque explanation if gc is being blocked.
     ///
-    /// Only looked up for the individual tenant detail, not the listing. This is purely for
-    /// debugging, not included in openapi.
+    /// Only looked up for the individual tenant detail, not the listing.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub gc_blocking: Option<String>,
 }
diff --git a/pageserver/src/http/openapi_spec.yml b/pageserver/src/http/openapi_spec.yml
index b8ed7aaf26..733115539a 100644
--- a/pageserver/src/http/openapi_spec.yml
+++ b/pageserver/src/http/openapi_spec.yml
@@ -882,6 +882,8 @@ components:
               properties:
                 reason:
                   type: string
+        gc_blocking:
+          type: string
 
     TenantCreateRequest:
       allOf:
@@ -1083,6 +1085,9 @@ components:
         min_readable_lsn:
           type: string
           format: hex
+        latest_gc_cutoff_lsn:
+          type: string
+          format: hex
         applied_gc_cutoff_lsn:
           type: string
           format: hex