diff --git a/lib/lookup.json b/lib/lookup.json
index 3fa310e4..9bd24bed 100644
--- a/lib/lookup.json
+++ b/lib/lookup.json
@@ -303,6 +303,7 @@
     "maintainers": "wesleytodd"
   },
   "path-to-regexp": {
+    "envVar": { "CITGM": true },
     "prefix": "v",
     "maintainers": "blakeembrey",
     "skip": ["aix"]