diff --git a/postgis-old-upgrade b/postgis-old-upgrade
index 15b5c1f..6f86fac 160000
--- a/postgis-old-upgrade
+++ b/postgis-old-upgrade
@@ -1 +1 @@
-Subproject commit 15b5c1f45012c0bfeed6ab27fa8375a9431ac4b7
+Subproject commit 6f86facc9e50d087218d0b8a6fe593b914379c29