diff --git a/DRAFT_CHANGELOG.md b/DRAFT_CHANGELOG.md
index 289f17611..605484619 100644
--- a/DRAFT_CHANGELOG.md
+++ b/DRAFT_CHANGELOG.md
@@ -6,12 +6,16 @@
 
 ## Summary
 
+Mise à jour de jour de l'extension Géoplateforme pour iTowns
+
 ## Changelog
 
 * [Added]
 
 * [Changed]
 
+    - update de l'extensions itowns en version 2.5.1
+
 * [Removed]
 
 * [Fixed]
diff --git a/package.json b/package.json
index 8b24cc1c0..37d6c5c39 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
         "exports-loader": "^0.7.0",
         "expose-loader": "^0.7.5",
         "fs-extra": "^9.0.0",
-        "geoportal-extensions-itowns": "2.5.0",
+        "geoportal-extensions-itowns": "2.5.1",
         "geoportal-extensions-openlayers": "3.4.3",
         "handlebars": "^4.7.5",
         "handlebars-layouts": "^3.1.4",