diff --git a/umap/static/umap/js/modules/data/features.js b/umap/static/umap/js/modules/data/features.js
index 260ed28f..dfb5e707 100644
--- a/umap/static/umap/js/modules/data/features.js
+++ b/umap/static/umap/js/modules/data/features.js
@@ -312,6 +312,7 @@ class Feature {
       'properties._umap_options.showLabel',
       'properties._umap_options.labelDirection',
       'properties._umap_options.labelInteractive',
+      'properties._umap_options.labelImportance',
       'properties._umap_options.outlink',
       'properties._umap_options.outlinkTarget',
     ]
diff --git a/umap/static/umap/js/modules/data/layer.js b/umap/static/umap/js/modules/data/layer.js
index 1602cf52..2dc7a23a 100644
--- a/umap/static/umap/js/modules/data/layer.js
+++ b/umap/static/umap/js/modules/data/layer.js
@@ -699,6 +699,7 @@ export class DataLayer extends ServerStored {
       'options.showLabel',
       'options.labelDirection',
       'options.labelInteractive',
+      'options.labelImportance',
       'options.outlinkTarget',
       'options.interactive',
     ]
diff --git a/umap/static/umap/js/modules/rendering/ui.js b/umap/static/umap/js/modules/rendering/ui.js
index c01d309e..81ec14d4 100644
--- a/umap/static/umap/js/modules/rendering/ui.js
+++ b/umap/static/umap/js/modules/rendering/ui.js
@@ -78,10 +78,12 @@ const FeatureMixin = {
     const displayName = this.feature.getDisplayName(null)
     let showLabel = this.feature.getOption('showLabel')
     const oldLabelHover = this.feature.getOption('labelHover')
+    const importance = this.feature.getOption('labelImportance')
 
     const options = {
       direction: this.feature.getOption('labelDirection'),
       interactive: this.feature.getOption('labelInteractive'),
+      className: `leaflet-tooltip-${importance}`,
     }
 
     if (oldLabelHover && showLabel) showLabel = null // Retrocompat.
diff --git a/umap/static/umap/js/modules/schema.js b/umap/static/umap/js/modules/schema.js
index f2dab903..cd746515 100644
--- a/umap/static/umap/js/modules/schema.js
+++ b/umap/static/umap/js/modules/schema.js
@@ -250,6 +250,18 @@ export const SCHEMA = {
     ],
     default: 'auto',
   },
+  labelImportance: {
+    type: String,
+    impacts: ['data'],
+    label: translate('Label importance'),
+    inheritable: true,
+    choices: [
+      ['low', translate('Default')],
+      ['medium', translate('Medium')],
+      ['high', translate('High')],
+    ],
+    default: 'low',
+  },
   labelInteractive: {
     type: Boolean,
     impacts: ['data'],
diff --git a/umap/static/umap/js/umap.js b/umap/static/umap/js/umap.js
index 893de510..8f34f035 100644
--- a/umap/static/umap/js/umap.js
+++ b/umap/static/umap/js/umap.js
@@ -1260,6 +1260,7 @@ U.Map = L.Map.extend({
       'options.showLabel',
       'options.labelDirection',
       'options.labelInteractive',
+      'options.labelImportance',
       'options.outlinkTarget',
     ]
     builder = new U.FormBuilder(this, popupFields)
diff --git a/umap/static/umap/map.css b/umap/static/umap/map.css
index 480127cd..4fb6d8a6 100644
--- a/umap/static/umap/map.css
+++ b/umap/static/umap/map.css
@@ -1214,6 +1214,13 @@ span.popup-icon {
 .umap-edit-enabled .readonly {
     cursor: not-allowed;
 }
+.leaflet-tooltip-medium {
+    font-weight: bold;
+}
+.leaflet-tooltip-high {
+    font-weight: bold;
+    font-size: 1.2rem;
+}
 
 
 /* ********************************* */