diff --git a/src/pg/observatory.control b/src/pg/observatory.control
index 2c39fb6..f4abef9 100644
--- a/src/pg/observatory.control
+++ b/src/pg/observatory.control
@@ -1,5 +1,5 @@
 comment = 'CartoDB Observatory backend extension'
 default_version = '1.0.2'
-requires = 'postgis'
+requires = 'postgis, postgres_fdw'
 superuser = true
 schema = cdb_observatory