diff --git a/packages/knex/src/declarations.ts b/packages/knex/src/declarations.ts
index 4e30ba6a0a..70ad267dca 100644
--- a/packages/knex/src/declarations.ts
+++ b/packages/knex/src/declarations.ts
@@ -10,7 +10,7 @@ export interface KnexAdapterOptions extends AdapterServiceOptions {
 export interface KnexAdapterTransaction {
   starting: boolean
   parent?: KnexAdapterTransaction
-  committed?: any
+  committed?: Promise<boolean>
   resolve?: any
   trx?: Knex.Transaction
   id?: number