diff --git a/db-migrate-base/db-migrate-base.d.ts b/db-migrate-base/db-migrate-base.d.ts
index fe1f4ade47..d24388fdaf 100644
--- a/db-migrate-base/db-migrate-base.d.ts
+++ b/db-migrate-base/db-migrate-base.d.ts
@@ -8,6 +8,8 @@
 
 declare module "db-migrate-base" {
 
+  import * as Promise from "bluebird";
+
   export interface CallbackFunction { (err: any, response: any): void; }
 
   export interface InternalModule {
diff --git a/db-migrate-pg/db-migrate-pg.d.ts b/db-migrate-pg/db-migrate-pg.d.ts
index aa1a52d34e..533b8ff91d 100644
--- a/db-migrate-pg/db-migrate-pg.d.ts
+++ b/db-migrate-pg/db-migrate-pg.d.ts
@@ -10,6 +10,7 @@ declare module "db-migrate-pg" {
 
   import * as pg from "pg";
   import * as DbMigrateBase from "db-migrate-base";
+  import * as Promise from "bluebird";
 
   // Yes, this is a dummy interface for now; the current implementation of the pg driver doesn't need any options.
   export interface CreateDatabaseOptions {}