https://github.com/citusdata/pg_cron/issues/267

--- a/expected/pg_cron-test.out
+++ b/expected/pg_cron-test.out
@@ -5,13 +5,7 @@ SELECT extversion FROM pg_extension WHER
  1.0
 (1 row)
 
-ALTER EXTENSION pg_cron UPDATE TO '1.4';
-SELECT extversion FROM pg_extension WHERE extname='pg_cron';
- extversion 
-------------
- 1.4
-(1 row)
-
+ALTER EXTENSION pg_cron UPDATE;
 -- Vacuum every day at 10:00am (GMT)
 SELECT cron.schedule('0 10 * * *', 'VACUUM');
  schedule 
--- a/sql/pg_cron-test.sql
+++ b/sql/pg_cron-test.sql
@@ -1,7 +1,6 @@
 CREATE EXTENSION pg_cron VERSION '1.0';
 SELECT extversion FROM pg_extension WHERE extname='pg_cron';
-ALTER EXTENSION pg_cron UPDATE TO '1.4';
-SELECT extversion FROM pg_extension WHERE extname='pg_cron';
+ALTER EXTENSION pg_cron UPDATE;
 
 -- Vacuum every day at 10:00am (GMT)
 SELECT cron.schedule('0 10 * * *', 'VACUUM');
