diff --git a/lints/0002_auth_users_exposed.sql b/lints/0002_auth_users_exposed.sql
index b903e71..b14755a 100644
--- a/lints/0002_auth_users_exposed.sql
+++ b/lints/0002_auth_users_exposed.sql
@@ -29,6 +29,11 @@ from
     -- Depends on auth.users
     join pg_catalog.pg_depend d
         on d.refobjid = auth_users_pg_class.oid
+        -- Only match dependencies on the relation auth.users, not objects in
+        -- other catalogs (pg_proc, pg_type, ...) whose oid can numerically
+        -- collide with it. Mirrors the classid filter the other pg_depend
+        -- joins in this suite already use (see 0001, 0016, 0017).
+        and d.refclassid = 'pg_catalog.pg_class'::regclass
     join pg_catalog.pg_rewrite r
         on r.oid = d.objid
     join pg_catalog.pg_class c
diff --git a/splinter.sql b/splinter.sql
index 9cd66c9..c714cb7 100644
--- a/splinter.sql
+++ b/splinter.sql
@@ -129,6 +129,11 @@ from
     -- Depends on auth.users
     join pg_catalog.pg_depend d
         on d.refobjid = auth_users_pg_class.oid
+        -- Only match dependencies on the relation auth.users, not objects in
+        -- other catalogs (pg_proc, pg_type, ...) whose oid can numerically
+        -- collide with it. Mirrors the classid filter the other pg_depend
+        -- joins in this suite already use (see 0001, 0016, 0017).
+        and d.refclassid = 'pg_catalog.pg_class'::regclass
     join pg_catalog.pg_rewrite r
         on r.oid = d.objid
     join pg_catalog.pg_class c