diff --git a/expat.yaml b/expat.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..00f0278fed3276e7bb420c0aaf9a5d099de17422
--- /dev/null
+++ b/expat.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: libexpat/libexpat
+tag_prefix: "^R_"
+seperator: _