diff --git a/package-lock.json b/package-lock.json
index 9e569a7..0265845 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,14 +13,14 @@
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+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
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@@ -488,6 +513,14 @@
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+      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.20.0.tgz",
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@@ -633,16 +666,16 @@
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@@ -1157,9 +1190,9 @@
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-      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
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diff --git a/package.json b/package.json
index 5299395..1b66c19 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mapbox/tilelive-overlay",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "use geojson and simplestyle features rendered with mapnik",
   "main": "index.js",
   "scripts": {
@@ -29,7 +29,7 @@
     "tap": "~0.4.8"
   },
   "dependencies": {
-    "@mapbox/geojson-mapnikify": "^2.1.0",
+    "@mapbox/geojson-mapnikify": "^2.1.1",
     "@mapbox/sphericalmercator": "~1.0.2"
   }
 }