diff --git a/types/index.d.ts b/types/index.d.ts
index 73edd7b0bb..a78fd0941c 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1520,10 +1520,16 @@ declare namespace Knex {
     collate(val: string): CreateTableBuilder;
   }
 
+  interface PostgreSqlTableBuilder extends CreateTableBuilder {
+    inherits(val: string): CreateTableBuilder;
+  }
+
   interface AlterTableBuilder extends TableBuilder {}
 
   interface MySqlAlterTableBuilder extends AlterTableBuilder {}
 
+  interface PostgreSqlAlterTableBuilder extends AlterTableBuilder {}
+
   interface ColumnBuilder {
     index(indexName?: string): ColumnBuilder;
     primary(constraintName?: string): ColumnBuilder;