diff --git a/hooks/post_app_upgrade b/hooks/post_app_upgrade
index 1d1a455..dff8796 100644
--- a/hooks/post_app_upgrade
+++ b/hooks/post_app_upgrade
@@ -15,6 +15,12 @@ source /usr/share/yunohost/helpers
 app=$YNH_APP_INSTANCE_NAME
 final_path=/var/www/$app
 
+#=================================================
+# backup the bdd
+#=================================================
+sudo cp /tmp/association.sqlite $final_path/association.sqlite
+
+
 #=================================================
 # Change options in file config.dist.php 
 # and copy in config.local.php
diff --git a/scripts/upgrade b/scripts/upgrade
index 86f235b..e1d5e9c 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -110,6 +110,13 @@ then
 	ynh_setup_source --dest_dir="$final_path"
 fi
 
+#=================================================
+# UPGRADE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -118,12 +125,6 @@ ynh_script_progression --message="Upgrading nginx web server configuration..." -
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
-#=================================================
-# UPGRADE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
-
-ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER
@@ -133,12 +134,6 @@ ynh_script_progression --message="Making sure dedicated system user exists..." -
 # Create a dedicated user (if not existing)
 ynh_system_user_create --username=$app
 
-#=================================================
-# SPECIFIC UPGRADE
-#=================================================
-sudo cp /tmp/association.sqlite $final_path/association.sqlite
-#=================================================
-
 #=================================================
 # STORE THE CONFIG FILE CHECKSUM
 #=================================================