diff --git a/.gitmodules b/.gitmodules
index 3bf87ef..3922035 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -73,3 +73,8 @@
 	url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0063
 	datalad-id = de5c97e4-ebab-4a4a-b236-f5a3d0f37930
 	datalad-url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0063
+[submodule "MTI-R01_0064"]
+	path = MTI-R01_0064
+	url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0064
+	datalad-id = 0433a743-cb38-4fa5-aeb1-5035c9367fb5
+	datalad-url = https://cau-gin.brainminds.riken.jp/brainminds/MTI-R01_0064
diff --git a/MTI-R01_0064 b/MTI-R01_0064
new file mode 160000
index 0000000..2d1580b
--- /dev/null
+++ b/MTI-R01_0064
@@ -0,0 +1 @@
+Subproject commit 2d1580bf88e275a0e243c5e19ec59feb79a25f23