diff --git a/closure-util.json b/closure-util.json
new file mode 100644
index 0000000000..8a8a5f56bb
--- /dev/null
+++ b/closure-util.json
@@ -0,0 +1,3 @@
+{
+  "library_url": "https://github.com/google/closure-library/archive/ab89cf45c216615d73a2f5dea720afb9d3415d1f.zip"
+}