diff --git a/DRAFT_CHANGELOG.md b/DRAFT_CHANGELOG.md
index bc9f4a146..605484619 100644
--- a/DRAFT_CHANGELOG.md
+++ b/DRAFT_CHANGELOG.md
@@ -6,7 +6,7 @@
 
 ## Summary
 
-Mise à jour de la bibliothèque d'accès et des extensions
+Mise à jour de jour de l'extension Géoplateforme pour iTowns
 
 ## Changelog
 
@@ -14,13 +14,12 @@ Mise à jour de la bibliothèque d'accès et des extensions
 
 * [Changed]
 
+    - update de l'extensions itowns en version 2.5.1
+
 * [Removed]
 
 * [Fixed]
 
-    - isodistance de plus de 50km possible
-    - correction de la normalisation des URLs des services image
-
 * [Deprecated]
 
 * [Security]
diff --git a/package.json b/package.json
index 8b24cc1c0..f0ff618fa 100644
--- a/package.json
+++ b/package.json
@@ -1,9 +1,9 @@
 {
     "name": "geoportal-sdk",
-    "version": "3.5.2",
-    "date": "15/05/2024",
-    "SDK2DVersion": "3.5.2",
-    "SDK3DVersion": "3.5.2",
+    "version": "3.5.3",
+    "date": "16/05/2024",
+    "SDK2DVersion": "3.5.3",
+    "SDK3DVersion": "3.5.3",
     "description": "French Geoportal SDK based on OpenLayers (2D) and iTowns (3D) libraries",
     "main": "dist/2d/GpSDK2D-src.js, dist/3d/GpSDK3d-src.js",
     "module": "src/SDK2D.js, src/SDK3D.js",
@@ -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",
diff --git a/scripts/release/package-SDK2D.json b/scripts/release/package-SDK2D.json
index 919e428b9..e7992cc19 100644
--- a/scripts/release/package-SDK2D.json
+++ b/scripts/release/package-SDK2D.json
@@ -16,7 +16,7 @@
    ],
    "module" : "src/SDK2D.js",
    "author" : "IGNF",
-   "version" : "3.5.2",
+   "version" : "3.5.3",
    "repository" : {
       "type" : "git",
       "url" : "https://github.com/IGNF/geoportal-sdk.git"
@@ -24,7 +24,7 @@
    "name" : "@ignf-geoportal/sdk-2d",
    "description" : "French Geoportal SDK based on OpenLayers (2D)",
    "license" : "CECILL-B",
-   "date" : "15/05/2024",
+   "date" : "16/05/2024",
    "homepage" : "https://geoservices.ign.fr/documentation/utilisation_web/sdk.html",
    "directories" : {},
    "bugs" : {
diff --git a/scripts/release/package-SDK3D.json b/scripts/release/package-SDK3D.json
index 181fc9b8d..e9bd76baf 100644
--- a/scripts/release/package-SDK3D.json
+++ b/scripts/release/package-SDK3D.json
@@ -1,5 +1,5 @@
 {
-   "date" : "15/05/2024",
+   "date" : "16/05/2024",
    "author" : "IGNF",
    "bugs" : {
       "url" : "https://github.com/IGNF/geoportal-sdk/issues"
@@ -11,7 +11,7 @@
       "ol" : "6.9.0",
       "xmldom" : "^0.1.27",
       "geoportal-extensions-openlayers" : "3.4.3",
-      "geoportal-extensions-itowns" : "2.5.0",
+      "geoportal-extensions-itowns" : "2.5.1",
       "node-fetch" : "^2.6.1"
    },
    "license" : "CECILL-B",
@@ -23,7 +23,7 @@
       "url" : "https://github.com/IGNF/geoportal-sdk.git",
       "type" : "git"
    },
-   "version" : "3.5.2",
+   "version" : "3.5.3",
    "files" : [
       "dist/",
       "src/",