diff --git a/VERSION b/VERSION
index d24c8b1916..bfa040a589 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.109.1
+2.109.1+dev
diff --git a/debian/changelog b/debian/changelog
index a7641e189f..bbc5b8e2a9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+geotrek-admin (2.109.1+dev) UNRELEASED; urgency=medium
+
+  * 
+
+ -- Célia Prat <celia.prat@makina-corpus.com>  Thu, 22 Aug 2024 14:52:06 +0200
+
 geotrek-admin (2.109.1) RELEASED; urgency=medium
 
   * new package release 
diff --git a/docs/changelog.rst b/docs/changelog.rst
index d53064ec41..a91aed919d 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -2,6 +2,10 @@
 CHANGELOG
 =========
 
+2.109.1+dev     (XXXX-XX-XX)
+----------------------------
+
+
 2.109.1     (2024-08-22)
 ----------------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index c2aaa298da..65edd16fd7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 # The short X.Y version.
 version = '2.109'
 # The full version, including alpha/beta/rc tags.
-release = '2.109.1'
+release = '2.109.1+dev'
 
 exclude_patterns = ['_build']