diff --git a/package-lock.json b/package-lock.json
index 52c00a9..87583fb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,6 +14,7 @@
         "@maplibre/maplibre-gl-style-spec": "^17.0.1",
         "@mdi/react": "^1.5.0",
         "array-move": "^4.0.0",
+        "buffer": "^6.0.3",
         "classnames": "^2.3.1",
         "codemirror": "^5.65.2",
         "color": "^4.2.3",
@@ -7635,7 +7636,6 @@
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
       "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
-      "dev": true,
       "funding": [
         {
           "type": "github",
@@ -7739,6 +7739,30 @@
         "readable-stream": "^3.4.0"
       }
     },
+    "node_modules/bl/node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -8104,10 +8128,9 @@
       }
     },
     "node_modules/buffer": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
-      "dev": true,
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
       "funding": [
         {
           "type": "github",
@@ -8124,7 +8147,7 @@
       ],
       "dependencies": {
         "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
+        "ieee754": "^1.2.1"
       }
     },
     "node_modules/buffer-crc32": {
@@ -24100,6 +24123,30 @@
         "through": "^2.3.8"
       }
     },
+    "node_modules/unbzip2-stream/node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/underscore": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
@@ -32343,8 +32390,7 @@
     "base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
-      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
-      "dev": true
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
     },
     "batch": {
       "version": "0.6.1",
@@ -32416,6 +32462,18 @@
         "buffer": "^5.5.0",
         "inherits": "^2.0.4",
         "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+          "dev": true,
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        }
       }
     },
     "bluebird": {
@@ -32725,13 +32783,12 @@
       }
     },
     "buffer": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
-      "dev": true,
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
       "requires": {
         "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
+        "ieee754": "^1.2.1"
       }
     },
     "buffer-crc32": {
@@ -45218,6 +45275,18 @@
       "requires": {
         "buffer": "^5.2.1",
         "through": "^2.3.8"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "5.7.1",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+          "dev": true,
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        }
       }
     },
     "underscore": {
diff --git a/package.json b/package.json
index 422c16f..151a3be 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "@maplibre/maplibre-gl-style-spec": "^17.0.1",
     "@mdi/react": "^1.5.0",
     "array-move": "^4.0.0",
+    "buffer": "^6.0.3",
     "classnames": "^2.3.1",
     "codemirror": "^5.65.2",
     "color": "^4.2.3",
@@ -46,8 +47,8 @@
     "lodash.get": "^4.4.2",
     "lodash.isequal": "^4.5.0",
     "lodash.throttle": "^4.1.1",
-    "maplibre-gl": "^2.4.0",
     "mapbox-gl-inspect": "^1.3.1",
+    "maplibre-gl": "^2.4.0",
     "maputnik-design": "github:maputnik/design#172b06c",
     "ol": "^6.14.1",
     "ol-mapbox-style": "^7.1.1",
diff --git a/src/components/App.jsx b/src/components/App.jsx
index a6b91a5..80ccb17 100644
--- a/src/components/App.jsx
+++ b/src/components/App.jsx
@@ -2,6 +2,7 @@ import autoBind from 'react-autobind';
 import React from 'react'
 import cloneDeep from 'lodash.clonedeep'
 import clamp from 'lodash.clamp'
+import buffer from 'buffer'
 import get from 'lodash.get'
 import {unset} from 'lodash'
 import {arrayMoveMutable} from 'array-move'
@@ -38,6 +39,8 @@ import isEqual from 'lodash.isequal'
 import Debug from '../libs/debug'
 import {formatLayerId} from '../util/format';
 
+// Buffer must be defined globally for @maplibre/maplibre-gl-style-spec validate() function to succeed.
+window.Buffer = buffer.Buffer;
 
 function setFetchAccessToken(url, mapStyle) {
   const matchesTilehosting = url.match(/\.tilehosting\.com/);