diff --git a/.gitmodules b/.gitmodules
index e69de29..e8a982b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "cosmos-sdk"]
+	path = cosmos-sdk
+	url = https://github.com/cosmos/cosmos-sdk.git
diff --git a/cosmos-sdk b/cosmos-sdk
new file mode 160000
index 0000000..0af178d
--- /dev/null
+++ b/cosmos-sdk
@@ -0,0 +1 @@
+Subproject commit 0af178d721ff082bf7718bf498e72e939499c078