diff --git a/.gitmodules b/.gitmodules
index 36f0bcd46b..98384bdafa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,7 +4,7 @@
 [submodule "lmdb"]
 	path = submodules/lmdb
 	url = https://github.com/nanocurrency/lmdb.git
-	branch = lmdb_0_9_23
+	branch = windows_incremental_file_size
 [submodule "cryptopp"]
 	path = submodules/cryptopp
 	url = https://github.com/weidai11/cryptopp.git
diff --git a/submodules/lmdb b/submodules/lmdb
index e931980823..c7b3cc4df6 160000
--- a/submodules/lmdb
+++ b/submodules/lmdb
@@ -1 +1 @@
-Subproject commit e93198082347098e4222c28309c399bc17ac11a9
+Subproject commit c7b3cc4df6dfe8f0772fb509bdc74777667caa43