diff --git a/js/CHANGELOG.md b/js/CHANGELOG.md
index 3d123d4..c077066 100644
--- a/js/CHANGELOG.md
+++ b/js/CHANGELOG.md
@@ -1,4 +1,4 @@
-4.2.0
+4.2.1
 * MapLibre adapter detects erroneous tileset bounds and shows console error [#508]
 
 4.1.0
diff --git a/js/examples/leaflet.html b/js/examples/leaflet.html
index bbf8499..830c3ee 100644
--- a/js/examples/leaflet.html
+++ b/js/examples/leaflet.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.0/dist/leaflet.css" />
         <script src="https://unpkg.com/leaflet@1.9.0/dist/leaflet.js"></script>
-        <script src="https://unpkg.com/pmtiles@4.2.0/dist/pmtiles.js"></script>
+        <script src="https://unpkg.com/pmtiles@4.2.1/dist/pmtiles.js"></script>
         <style>
             body, #map {
                 height:100vh;
diff --git a/js/examples/maplibre.html b/js/examples/maplibre.html
index ced607c..10900fe 100644
--- a/js/examples/maplibre.html
+++ b/js/examples/maplibre.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.js" crossorigin="anonymous"></script>
-        <script src="https://unpkg.com/pmtiles@4.2.0/dist/pmtiles.js"></script>
+        <script src="https://unpkg.com/pmtiles@4.2.1/dist/pmtiles.js"></script>
         <style>
             body {
                 margin: 0;
diff --git a/js/examples/maplibre_advanced.html b/js/examples/maplibre_advanced.html
index 804d889..b479966 100644
--- a/js/examples/maplibre_advanced.html
+++ b/js/examples/maplibre_advanced.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.js" crossorigin="anonymous"></script>
-        <script src="https://unpkg.com/pmtiles@4.2.0/dist/pmtiles.js"></script>
+        <script src="https://unpkg.com/pmtiles@4.2.1/dist/pmtiles.js"></script>
         <style>
             body {
                 margin: 0;
diff --git a/js/examples/maplibre_raster_dem.html b/js/examples/maplibre_raster_dem.html
index 2f476bd..8a46aba 100644
--- a/js/examples/maplibre_raster_dem.html
+++ b/js/examples/maplibre_raster_dem.html
@@ -4,7 +4,7 @@
         <meta charset="utf-8"/>
         <link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.css" crossorigin="anonymous">
         <script src="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.js" crossorigin="anonymous"></script>
-        <script src="https://unpkg.com/pmtiles@4.2.0/dist/pmtiles.js"></script>
+        <script src="https://unpkg.com/pmtiles@4.2.1/dist/pmtiles.js"></script>
         <style>
             body {
                 margin: 0;
diff --git a/js/package-lock.json b/js/package-lock.json
index 159aa0c..4fd3a30 100644
--- a/js/package-lock.json
+++ b/js/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pmtiles",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "pmtiles",
-      "version": "4.2.0",
+      "version": "4.2.1",
       "license": "BSD-3-Clause",
       "dependencies": {
         "fflate": "^0.8.2"
diff --git a/js/package.json b/js/package.json
index 808cf6d..aff150c 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pmtiles",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "PMTiles archive decoder for browsers",
   "type": "module",
   "main": "dist/cjs/index.cjs",