diff --git a/.gitmodules b/.gitmodules
index 36f0bcd46b..d37697838b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -3,8 +3,7 @@
 	url = https://github.com/miniupnp/miniupnp.git
 [submodule "lmdb"]
 	path = submodules/lmdb
-	url = https://github.com/nanocurrency/lmdb.git
-	branch = lmdb_0_9_23
+	url = https://github.com/LMDB/lmdb.git
 [submodule "cryptopp"]
 	path = submodules/cryptopp
 	url = https://github.com/weidai11/cryptopp.git
diff --git a/nano/core_test/wallets.cpp b/nano/core_test/wallets.cpp
index 4ded766f96..6f6999329c 100644
--- a/nano/core_test/wallets.cpp
+++ b/nano/core_test/wallets.cpp
@@ -73,7 +73,9 @@ TEST (wallets, remove)
 	}
 }
 
-TEST (wallets, reload)
+// Opening multiple environments using the same file within the same process is not supported.
+// http://www.lmdb.tech/doc/starting.html
+TEST (wallets, DISABLED_reload)
 {
 	nano::test::system system (1);
 	auto & node1 (*system.nodes[0]);
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