diff --git a/config.dev.json b/config.dev.json
index 79dbddbdb4..c4af246486 100644
--- a/config.dev.json
+++ b/config.dev.json
@@ -95,7 +95,7 @@
     "desktopBuilds": {
         "available": false
     },
-    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx",
+    "map_style_url": "https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json",
     "custom_translations_url_comments": "To add translations, edit /src/i18n/strings/tchap_translations.json. It gets copied over to webapp/i18n for serving.",
     "custom_translations_url": "/i18n/tchap_translations.json"
 }
diff --git a/config.preprod.json b/config.preprod.json
index 34ee4ae730..fb1ef2eb1a 100644
--- a/config.preprod.json
+++ b/config.preprod.json
@@ -89,7 +89,7 @@
     "desktopBuilds": {
         "available": false
     },
-    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx",
+    "map_style_url": "https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json",
     "custom_translations_url_comments": "To add translations, edit /src/i18n/strings/tchap_translations.json. It gets copied over to webapp/i18n for serving.",
     "custom_translations_url": "/i18n/tchap_translations.json"
 }
diff --git a/config.prod.json b/config.prod.json
index d302fd5eba..cc03b8b9bf 100644
--- a/config.prod.json
+++ b/config.prod.json
@@ -173,7 +173,7 @@
     "desktopBuilds": {
         "available": false
     },
-    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx",
+    "map_style_url": "https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json",
     "custom_translations_url_comments": "To add translations, edit /src/i18n/strings/tchap_translations.json. It gets copied over to webapp/i18n for serving.",
     "custom_translations_url": "/i18n/tchap_translations.json"
 }
diff --git a/config.sample.json b/config.sample.json
index 99585b0f28..f5a1058fab 100644
--- a/config.sample.json
+++ b/config.sample.json
@@ -86,7 +86,7 @@
     "desktopBuilds": {
         "available": false
     },
-    "map_style_url": "https://api.maptiler.com/maps/streets/style.json?key=fU3vlMsMn4Jb6dnEIFsx",
+    "map_style_url": "https://openmaptiles.geo.data.gouv.fr/styles/osm-bright/style.json",
     "custom_translations_url_comments": "To add translations, edit /src/i18n/strings/tchap_translations.json. It gets copied over to webapp/i18n for serving.",
     "custom_translations_url": "/i18n/tchap_translations.json"
 }