diff --git a/functions/new-subscriptions/package-lock.json b/functions/new-subscriptions/package-lock.json
index bdbceba..72ff0fe 100644
--- a/functions/new-subscriptions/package-lock.json
+++ b/functions/new-subscriptions/package-lock.json
@@ -30,7 +30,7 @@
       "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
       "requires": {
         "follow-redirects": "1.5.10",
-        "is-buffer": "2.0.3"
+        "is-buffer": "^2.0.2"
       }
     },
     "bluebird": {