diff --git a/servers/slapd/back-mdb/libmdb b/servers/slapd/back-mdb/libmdb
index d182ccef04..f88adbd4e4 160000
--- a/servers/slapd/back-mdb/libmdb
+++ b/servers/slapd/back-mdb/libmdb
@@ -1 +1 @@
-Subproject commit d182ccef046d83adb615e92c2d0b16478809f378
+Subproject commit f88adbd4e4a56429eed3fca314199e639a9d725b