diff --git a/src/driver/postgres/PostgresConnectionCredentialsOptions.ts b/src/driver/postgres/PostgresConnectionCredentialsOptions.ts
index d07c671c32..98f56027ce 100644
--- a/src/driver/postgres/PostgresConnectionCredentialsOptions.ts
+++ b/src/driver/postgres/PostgresConnectionCredentialsOptions.ts
@@ -28,7 +28,7 @@ export interface PostgresConnectionCredentialsOptions {
     /**
      * Database password.
      */
-    readonly password?: string;
+    readonly password?: string | (() => string) | (() => Promise<string>);
 
     /**
      * Database name to connect to.