diff --git a/README.md b/README.md
index dab54fa..764b2af 100644
--- a/README.md
+++ b/README.md
@@ -18,8 +18,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 Backdrop is a full-featured content management system that allows non-technical users to manage a wide variety of content. It can be used to create all kinds of websites including blogs, image galleries, social networks, intranets, and more.
 
 
-**Shipped version:** 1.22.2~ynh2
-
+**Shipped version:** 1.23.1~ynh1
 
 **Demo:** https://backdropcms.org/demo
 
diff --git a/README_fr.md b/README_fr.md
index 741cea7..5a66a76 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -18,8 +18,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 Backdrop est un système de gestion de contenu complet qui permet aux utilisateurs non techniques de gérer une grande variété de contenu. Il peut être utilisé pour créer toutes sortes de sites Web, notamment des blogs, des galeries d'image, des réseaux sociaux, des intranets et plus encore.
 
 
-**Version incluse :** 1.22.2~ynh2
-
+**Version incluse :** 1.23.1~ynh1
 
 **Démo :** https://backdropcms.org/demo
 
diff --git a/conf/app.src b/conf/app.src
index 27d9b28..eebcb02 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.22.2/backdrop.zip
-SOURCE_SUM=ffec826e9b9ccbead7d2baeae3c6622cb6aeb09f6f33f9463e9a41ac257039a2
+SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.23.1/backdrop.zip
+SOURCE_SUM=2cdc132e2b235f38752f317bd7d8c64bcecad3f8f9101a296af9469247e56985
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 00f8942..f419d76 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Easy-to-use CMS for building professional websites",
         "fr": "CMS facile à utiliser pour créer des sites Web professionnels"
     },
-    "version": "1.22.2~ynh2",
+    "version": "1.23.1~ynh1",
     "url": "https://backdropcms.org/",
     "upstream": {
         "license": "GPL-2.0",