diff --git a/package-lock.json b/package-lock.json
index 141799b..863cbbb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "d3-tip",
-  "version": "0.9.0",
+  "version": "0.9.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -243,9 +243,9 @@
       }
     },
     "d3-collection": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/d3-collection/-/d3-collection-1.0.4.tgz",
-      "integrity": "sha1-NC39EoN8kJdPM/HMCnha6lcNzcI="
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/d3-collection/-/d3-collection-1.0.7.tgz",
+      "integrity": "sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A=="
     },
     "d3-selection": {
       "version": "1.3.0",