diff --git a/.gitmodules b/.gitmodules
index a0938f7..495fd2b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,3 +6,9 @@
 	path = proto/chain
 	url = https://github.com/bandprotocol/chain.git
 	branch = master
+[submodule "proto/ics23"]
+	path = proto/ics23
+	url = https://github.com/cosmos/ics23.git
+[submodule "proto/gogoproto"]
+	path = proto/gogoproto
+	url = https://github.com/cosmos/gogoproto
diff --git a/proto/chain b/proto/chain
deleted file mode 160000
index 602d1c0..0000000
--- a/proto/chain
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 602d1c0c29fe8ce41004fe9c23115d731e610287
diff --git a/proto/cosmos-proto b/proto/cosmos-proto
deleted file mode 160000
index 3e53812..0000000
--- a/proto/cosmos-proto
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3e53812559a5f89540930b1a40f16266a73ce1c9
diff --git a/proto/cosmos-sdk b/proto/cosmos-sdk
deleted file mode 160000
index b45cf75..0000000
--- a/proto/cosmos-sdk
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b45cf753a7a344a275e0489c03360fc91663c220
diff --git a/proto/ibc-go b/proto/ibc-go
deleted file mode 160000
index a766bce..0000000
--- a/proto/ibc-go
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a766bce91b4a2bb469d6a572cba0f0d2351d2cdd