diff --git a/README.md b/README.md
index 9ad0be6..b66b33c 100644
--- a/README.md
+++ b/README.md
@@ -33,11 +33,12 @@ Support this project with a :star:
-| INPUT | TYPE | REQUIRED | DEFAULT | DESCRIPTION |
-|----------------------------------------------------------------------|--------|----------|---------|------------------------------------------------------------------------------------------------------------|
-| [database\_url](#input_database_url) | string | true | | Database URL |
-| [options](#input_options) | string | true | `"-O"` | Extra [options](https://www.postgresql.org/docs/current/app-pgdump.html#PG-DUMP-OPTIONS) passed to pg\_dump |
-| [path](#input_path) | string | true | | Backup file output location |
+| INPUT | TYPE | REQUIRED | DEFAULT | DESCRIPTION |
+|----------------------------------------------------------------------------------------|--------|----------|---------|------------------------------------------------------------------------------------------------------------|
+| [database\_url](#input_database_url) | string | true | | Database URL |
+| [options](#input_options) | string | true | `"-O"` | Extra [options](https://www.postgresql.org/docs/current/app-pgdump.html#PG-DUMP-OPTIONS) passed to pg\_dump |
+| [path](#input_path) | string | true | | Backup file output location |
+| [postgresql\_version](#input_postgresql_version) | string | false | | Version of PostgreSQL. e.g 15 |