diff --git a/expected/pg_ivm.out b/expected/pg_ivm.out
index 09b98ad..f4fb72c 100644
--- a/expected/pg_ivm.out
+++ b/expected/pg_ivm.out
@@ -1,4 +1,5 @@
 CREATE EXTENSION pg_ivm;
+GRANT ALL ON SCHEMA public TO public;
 -- create a table to use as a basis for views and materialized views in various combinations
 CREATE TABLE mv_base_a (i int, j int);
 INSERT INTO mv_base_a VALUES
diff --git a/sql/pg_ivm.sql b/sql/pg_ivm.sql
index 9db10fa..5689d8c 100644
--- a/sql/pg_ivm.sql
+++ b/sql/pg_ivm.sql
@@ -1,4 +1,5 @@
 CREATE EXTENSION pg_ivm;
+GRANT ALL ON SCHEMA public TO public;
 
 -- create a table to use as a basis for views and materialized views in various combinations
 CREATE TABLE mv_base_a (i int, j int);