diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..9f14a9a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "webm"]
+	path = webm
+	url = ../webm.git
diff --git a/webm b/webm
new file mode 160000
index 0000000..af81f26
--- /dev/null
+++ b/webm
@@ -0,0 +1 @@
+Subproject commit af81f26025b7435fa9a14ad07c58b44cf9280430