diff --git a/relational-schemas/src/Database/Relational/Schema/PostgreSQL.hs b/relational-schemas/src/Database/Relational/Schema/PostgreSQL.hs
index b0fe605d..46b0cf25 100644
--- a/relational-schemas/src/Database/Relational/Schema/PostgreSQL.hs
+++ b/relational-schemas/src/Database/Relational/Schema/PostgreSQL.hs
@@ -39,6 +39,8 @@ import Database.Relational
    wheres, (.=.), (.>.), in', values, (!), fst', snd',
    placeholder, asc, value, unsafeProjectSql, (><))
 
+import Database.Relational.Pure.NonStandard.TIMESTAMPTZ ()
+
 import Database.Relational.Schema.PgCatalog.PgNamespace (pgNamespace)
 import qualified Database.Relational.Schema.PgCatalog.PgNamespace as Namespace
 import Database.Relational.Schema.PgCatalog.PgClass (pgClass)