diff --git a/packages/db/migrations/0038_register_extra_large_pet_size_category.sql b/packages/db/migrations/0038_register_extra_large_pet_size_category.sql
new file mode 100644
index 0000000..e80fe7f
--- /dev/null
+++ b/packages/db/migrations/0038_register_extra_large_pet_size_category.sql
@@ -0,0 +1,4 @@
+-- GRO-1999: 0037 was skipped on existing DBs due to a below-high-water-mark
+-- journal timestamp. Re-register extra_large with a monotonic timestamp so
+-- the existing UAT/persistent DBs apply it. Idempotent.
+ALTER TYPE "pet_size_category" ADD VALUE IF NOT EXISTS 'extra_large';
diff --git a/packages/db/migrations/meta/_journal.json b/packages/db/migrations/meta/_journal.json
index bf6fd92..0645748 100644
--- a/packages/db/migrations/meta/_journal.json
+++ b/packages/db/migrations/meta/_journal.json
@@ -260,6 +260,13 @@
       "when": 1751500000000,
       "tag": "0037_add_extra_large_to_pet_size_category",
       "breakpoints": true
+    },
+    {
+      "idx": 38,
+      "version": "7",
+      "when": 1780000000000,
+      "tag": "0038_register_extra_large_pet_size_category",
+      "breakpoints": true
     }
   ]
 }