diff --git a/manifest.toml b/manifest.toml
index 0e8060c..cb645d7 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -5,7 +5,7 @@ name = "Grr"
 description.en = "Tool for booking meeting rooms or other resources"
 description.fr = "Outil de réservation de salles de réunion ou d'autres ressources"
 
-version = "3.5.1~ynh1"
+version = "4.0.3~ynh1"
 
 maintainers = ["Sébastien Menentrier"]
 
@@ -46,8 +46,8 @@ ram.runtime = "50M"
 
 [resources]
         [resources.sources.main]
-        url = "https://github.com/JeromeDevome/GRR/archive/refs/tags/v3.5.1.tar.gz"
-        sha256 = "7c0f341e961b61a16905f6d7c2f296e7166313f5a309999a380fbacf26e1d9a6"
+        url = "https://github.com/JeromeDevome/GRR/archive/refs/tags/v4.0.3.tar.gz"
+        sha256 = "81c097c72d8f251da8e600861421b50726bc47bcd27bd457e17300795ca985f8"
         autoupdate.strategy = "latest_github_tag"
 
     [resources.system_user]