diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e78082b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "webp"]
+	path = webp
+	url = ../webp.git
diff --git a/webp b/webp
new file mode 160000
index 0000000..e122e51
--- /dev/null
+++ b/webp
@@ -0,0 +1 @@
+Subproject commit e122e511cf091bb31d7f42503497029abc60256c