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"
+}
diff --git a/package.json b/package.json
index a821d0e34d..b4c908485b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "htmlparser2": "~3.7.1"
   },
   "devDependencies": {
-    "closure-util": "0.17.0",
+    "closure-util": "0.18.0",
     "fs-extra": "~0.8.1",
     "graceful-fs": "~3.0.2",
     "jsdoc": "~3.3.0-alpha7",