diff --git a/.gitmodules b/.gitmodules
index 2d1b11d4..1b4cc692 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "CBOR"]
 	path = CBOR
 	url = https://github.com/peteroupc/CBOR
+[submodule "Chaos.NaCl"]
+	path = Chaos.NaCl
+	url = https://github.com/CodesInChaos/Chaos.NaCl
diff --git a/Chaos.NaCl b/Chaos.NaCl
new file mode 160000
index 00000000..2c861348
--- /dev/null
+++ b/Chaos.NaCl
@@ -0,0 +1 @@
+Subproject commit 2c861348dc45369508e718aa08611c53b53553db