diff --git a/samples.json b/samples.json
index ca4ac97..94274ca 100644
--- a/samples.json
+++ b/samples.json
@@ -58,7 +58,7 @@
             ],
             "tag_retention_minutes": 60,
             "active": true,
-            "updated_at": "2025-07-14T10:00:00Z"
+            "updated_at": "2025-07-14 10:00:00.000000"
           },
         "2": {
             "schedule_name": "laborious-orchestrated-pipeline",
@@ -119,7 +119,7 @@
               "REPEAT"
             ],
             "active": true,
-            "updated_at": "2025-07-14T10:00:00Z"
+            "updated_at": "2025-07-14 10:00:00.000000"
           }
     },
     "opc-servers": {