diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..89b0ee39
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "ihk"]
+	path = ihk
+	url = postpeta@postpeta.pccluster.org:ihk
diff --git a/ihk b/ihk
new file mode 160000
index 00000000..61e16ef8
--- /dev/null
+++ b/ihk
@@ -0,0 +1 @@
+Subproject commit 61e16ef8bc3665e8414c56fd57b6934023d4a7fa