diff --git a/package.json b/package.json
index 023dda8..e29e774 100644
--- a/package.json
+++ b/package.json
@@ -38,9 +38,9 @@
     "pbf": "3.0.5",
     "request": "2.79.0",
     "sharp": "0.16.2",
-    "sphericalmercator": "1.0.5",
     "tileserver-gl-styles": "1.0.0",
-    "vector-tile": "1.3.0"
+    "vector-tile": "1.3.0",
+    "@mapbox/sphericalmercator": "1.0.5"
   },
   "optionalDependencies": {
     "tileshrink-gl": "./plugins/tileshrink-gl"