diff --git a/generic_config_updater/gcu_field_operation_validators.conf.json b/generic_config_updater/gcu_field_operation_validators.conf.json
index 50d3ebb478..95be9bd8cb 100644
--- a/generic_config_updater/gcu_field_operation_validators.conf.json
+++ b/generic_config_updater/gcu_field_operation_validators.conf.json
@@ -79,7 +79,7 @@
                             "th": "20221100",
                             "th2": "20221100",
                             "td3": "20221100",
-                            "cisco-8000": ""
+                            "cisco-8000": "20201200"
                         }
                     }
                 }
@@ -103,7 +103,7 @@
                             "th": "20181100",
                             "th2": "20181100",
                             "td3": "20201200",
-                            "cisco-8000": ""
+                            "cisco-8000": "20201200"
                         }
                     },
                     "PG headroom modification": {
@@ -120,7 +120,7 @@
                             "th": "20221100",
                             "th2": "20221100",
                             "td3": "20221100",
-                            "cisco-8000": ""
+                            "cisco-8000": "20201200"
                         }
                     }
                 }
@@ -146,7 +146,7 @@
                             "th": "20181100",
                             "th2": "20181100",
                             "td3": "20201200",
-                            "cisco-8000": ""
+                            "cisco-8000": "20201200"
                         }
                     }
                 }