diff --git a/.gitmodules b/.gitmodules
index 8b04d9fd2831a3b32d620c533a80f6d226f26ba3..acb3f1c878d712c23aebaaa262800a66d2725acf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,8 @@
 [submodule "libdap"]
 	path = libdap
 	url = https://github.com/kelvinblockchain/libdap
+	branch = master
 [submodule "test/libdap-test"]
 	path = test/libdap-test
 	url = https://github.com/kelvinblockchain/libdap-test
+	branch = master
diff --git a/libdap b/libdap
index 3d50b609ae8168570d20da3efeef7a475d3cd35f..970c94e2597d485bfa0355a33bcb0101eb872874 160000
--- a/libdap
+++ b/libdap
@@ -1 +1 @@
-Subproject commit 3d50b609ae8168570d20da3efeef7a475d3cd35f
+Subproject commit 970c94e2597d485bfa0355a33bcb0101eb872874