diff --git a/nix/tests/expected/roles.out b/nix/tests/expected/roles.out
index aef247b35..3832b0f00 100644
--- a/nix/tests/expected/roles.out
+++ b/nix/tests/expected/roles.out
@@ -521,3 +521,8 @@ order by schema_order, schema_name, privilege_type, grantee, default_for;
  vault              | USAGE          | supabase_admin           | supabase_admin
 (389 rows)
 
+-- postgres can alter API roles' timeout
+set role postgres;
+alter role anon set statement_timeout = '10min';
+alter role anon reset statement_timeout;
+reset role;
diff --git a/nix/tests/sql/roles.sql b/nix/tests/sql/roles.sql
index 34fd5db7e..5753d34de 100644
--- a/nix/tests/sql/roles.sql
+++ b/nix/tests/sql/roles.sql
@@ -65,3 +65,10 @@ from (
         a.privilege_type in ('CREATE', 'USAGE')
 ) sub
 order by schema_order, schema_name, privilege_type, grantee, default_for;
+
+-- postgres can alter API roles' timeout
+set role postgres;
+alter role anon set statement_timeout = '10min';
+
+alter role anon reset statement_timeout;
+reset role;