diff --git a/.gitmodules b/.gitmodules
index c9d1fa6..c9b2267 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,3 +28,6 @@
 [submodule "variant-note"]
 	path = pelican-variant-note
 	url = git://github.com/mpancorbo/pelican-variant-note.git 
+[submodule "water-iris"]
+	path = water-iris
+	url = git://github.com/jarv/water-iris