diff --git a/Models/SessionElementMapper.php b/Models/SessionElementMapper.php
index cd55550..e1f918a 100644
--- a/Models/SessionElementMapper.php
+++ b/Models/SessionElementMapper.php
@@ -29,7 +29,7 @@ final class SessionElementMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array{name:string, type:string, internal:string, autocomplete?:bool, annotations?:array}>
+     * @var array<string, array{name:string, type:string, internal:string, autocomplete?:bool, readonly?:bool, annotations?:array}>
      * @since 1.0.0
      */
     protected static array $columns = [
diff --git a/Models/SessionMapper.php b/Models/SessionMapper.php
index 77ff7d2..e7c2e2f 100644
--- a/Models/SessionMapper.php
+++ b/Models/SessionMapper.php
@@ -33,7 +33,7 @@ final class SessionMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array<string, array{name:string, type:string, internal:string, autocomplete?:bool, annotations?:array}>
+     * @var array<string, array{name:string, type:string, internal:string, autocomplete?:bool, readonly?:bool, annotations?:array}>
      * @since 1.0.0
      */
     protected static array $columns = [