diff --git a/.gitmodules b/.gitmodules
index 2c2b866..9b60004 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "logos-blockchain"]
 	path = logos-blockchain
 	url = https://github.com/logos-blockchain/logos-blockchain
+	branch = master
diff --git a/logos-blockchain b/logos-blockchain
index 379d647..5510f55 160000
--- a/logos-blockchain
+++ b/logos-blockchain
@@ -1 +1 @@
-Subproject commit 379d6475fbba60978b62feb0f08b9b310d05e18b
+Subproject commit 5510f55cd6b7c63da3b34fec06c65042131c957e