diff --git a/scripts/verify-equipment-catalog-data.mjs b/scripts/verify-equipment-catalog-data.mjs
index 5692afa..d4fb643 100644
--- a/scripts/verify-equipment-catalog-data.mjs
+++ b/scripts/verify-equipment-catalog-data.mjs
@@ -117,6 +117,8 @@ function validateUnitEquipment(errors, unitEntries, itemCatalog, itemKeys, equip
         errors.push(`${context}: invalid ${slot} exp ${state.exp}`);
       } else if (state.level < 9 && state.exp >= equipmentExpToNext(state.level)) {
         errors.push(`${context}: ${slot} exp ${state.exp} should be below next level threshold ${equipmentExpToNext(state.level)}`);
+      } else if (state.level >= 9 && state.exp > equipmentExpToNext(state.level)) {
+        errors.push(`${context}: max-level ${slot} exp ${state.exp} should be at most ${equipmentExpToNext(state.level)}`);
       }
     });
   });