diff --git a/src/worldmap.test.ts b/src/worldmap.test.ts
index c34d688..9759579 100644
--- a/src/worldmap.test.ts
+++ b/src/worldmap.test.ts
@@ -329,7 +329,7 @@ describe('Worldmap', () => {
         initialZoom: 1,
         colors: ['red', 'blue', 'green'],
       },
-      tileServer: 'CartoDB Positron',
+      tileServer: 'CARTO Positron',
     };
     worldMap = new WorldMap(ctrl, document.getElementsByClassName('mapcontainer')[0]);
     worldMap.createMap();
diff --git a/src/worldmap.ts b/src/worldmap.ts
index 341f9a6..92469a3 100644
--- a/src/worldmap.ts
+++ b/src/worldmap.ts
@@ -3,18 +3,18 @@ import * as L from './libs/leaflet';
 import WorldmapCtrl from './worldmap_ctrl';
 
 const tileServers = {
-  'CartoDB Positron': {
-    url: 'https://cartodb-basemaps-{s}.global.ssl.fastly.net/light_all/{z}/{x}/{y}.png',
+  'CARTO Positron': {
+    url: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
     attribution:
-      '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
-      '&copy; <a href="http://cartodb.com/attributions">CartoDB</a>',
+      '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
+      '&copy; <a href="https://carto.com/about-carto/">CARTO</a>',
     subdomains: 'abcd',
   },
-  'CartoDB Dark': {
-    url: 'https://cartodb-basemaps-{s}.global.ssl.fastly.net/dark_all/{z}/{x}/{y}.png',
+  'CARTO Dark': {
+    url: 'https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png',
     attribution:
-      '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
-      '&copy; <a href="http://cartodb.com/attributions">CartoDB</a>',
+      '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> ' +
+      '&copy; <a href="https://carto.com/about-carto/">CARTO</a>',
     subdomains: 'abcd',
   },
 };
diff --git a/src/worldmap_ctrl.ts b/src/worldmap_ctrl.ts
index 4aa746c..e547836 100644
--- a/src/worldmap_ctrl.ts
+++ b/src/worldmap_ctrl.ts
@@ -83,13 +83,13 @@ export default class WorldmapCtrl extends MetricsPanelCtrl {
 
   setMapProvider(contextSrv) {
     this.tileServer = contextSrv.user.lightTheme
-      ? "CartoDB Positron"
-      : "CartoDB Dark";
+      ? "CARTO Positron"
+      : "CARTO Dark";
     this.setMapSaturationClass();
   }
 
   setMapSaturationClass() {
-    if (this.tileServer === "CartoDB Dark") {
+    if (this.tileServer === "CARTO Dark") {
       this.saturationClass = "map-darken";
     } else {
       this.saturationClass = "";