diff --git a/src/mapboxgl/package.json b/src/mapboxgl/package.json
index 8f0742a2b..f245cc0da 100644
--- a/src/mapboxgl/package.json
+++ b/src/mapboxgl/package.json
@@ -22,6 +22,6 @@
     "mapbox-gl": "1.13.2",
     "@supermapgis/iclient-common": "12.0.0-dev",
     "lodash.clonedeep": "^4.5.0",
-    "proj4": "2.11.0"
+    "proj4": "2.15.0"
   }
 }