diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index 7f7de91cc2..10b34c3c5b 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -435,8 +435,7 @@ CREATE VIEW check_constraints AS
     SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
            CAST(rs.nspname AS sql_identifier) AS constraint_schema,
            CAST(con.conname AS sql_identifier) AS constraint_name,
-           CAST(substring(pg_get_constraintdef(con.oid) from 7) AS character_data)
-             AS check_clause
+           CAST(pg_get_expr(con.conbin, coalesce(c.oid, 0)) AS character_data) AS check_clause
     FROM pg_constraint con
            LEFT OUTER JOIN pg_namespace rs ON (rs.oid = con.connamespace)
            LEFT OUTER JOIN pg_class c ON (c.oid = con.conrelid)
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index 8799f3f03a..48be6d1370 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -57,6 +57,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	202309181
+#define CATALOG_VERSION_NO	202309221
 
 #endif