diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6f3a584
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "expat"]
+	path = expat
+	url = stzpub:expat
diff --git a/expat b/expat
new file mode 160000
index 0000000..adf19a3
--- /dev/null
+++ b/expat
@@ -0,0 +1 @@
+Subproject commit adf19a31860c5b439c84f2ec1fde245b4815529a