diff --git a/contrib/db/libmdbx b/contrib/db/libmdbx
index a0ec89e4..b7ed6754 160000
--- a/contrib/db/libmdbx
+++ b/contrib/db/libmdbx
@@ -1 +1 @@
-Subproject commit a0ec89e46833e61d9b93850e85157d4bc93db1b2
+Subproject commit b7ed67543fefb0878dba1c70dea2a81201041314