diff --git a/README.md b/README.md
index f22b95a..72dee4f 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 Dolibarr ERP & CRM is a modern software for managing your professional or associative activity (contacts, invoices, orders, stocks, agenda, etc.).
 
-**Shipped version:** 14.0.5~ynh1
+**Shipped version:** 15.0.1~ynh1
 
 **Demo:** https://www.dolibarr.org/onlinedemo
 
diff --git a/README_fr.md b/README_fr.md
index 9910ce1..d6a4a2f 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -13,7 +13,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 Dolibarr ERP & CRM est un logiciel moderne de gestion de votre activité professionnelle ou associative (contacts, factures, commandes, stocks, agenda, etc.).
 
-**Version incluse :** 14.0.5~ynh1
+**Version incluse :** 15.0.1~ynh1
 
 **Démo :** https://www.dolibarr.org/onlinedemo
 
diff --git a/conf/app.src b/conf/app.src
index ac28227..db7a955 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/Dolibarr/dolibarr/archive/14.0.5.tar.gz
-SOURCE_SUM=31f4c934e484a9582d8867e4170f1f1acd8c41628b059370a6a449eb6e94ae75
+SOURCE_URL=https://github.com/Dolibarr/dolibarr/archive/15.0.1.tar.gz
+SOURCE_SUM=3c1d00a710a3a47d7ab3a9efefb51ec35a7e78382474ceb5850157f2fc9cc012
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index dc09add..c774000 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Manage the various aspects of your business or association",
         "fr": "Gérez les différents aspects de votre activité pro ou associative"
     },
-    "version": "14.0.5~ynh1",
+    "version": "15.0.1~ynh1",
     "url": "https://www.dolibarr.org/",
     "upstream": {
         "license": "GPL-3.0-or-later",
diff --git a/scripts/install b/scripts/install
index b03b53d..8143e2a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -146,22 +146,30 @@ ynh_script_progression --message="Finalizing installation..." --weight=1
 ynh_script_progression --message="Generate fileconf" --weight=1
 ynh_local_curl "/install/fileconf.php" \
 		"testpost=ok"
-	
+
+ynh_exec_fully_quiet sleep 5
+
 ynh_script_progression --message="installation - step 1" --weight=3
 ynh_local_curl "/install/step1.php" \
 		"testpost=ok" \
 		"action=set" > /var/log/$app/install1.html
+
+ynh_exec_fully_quiet sleep 5
 		
 ynh_script_progression --message="installation - step 2 (may take a while)..." --weight=72
 ynh_local_curl "/install/step2.php" \
 		"testpost=ok" \
 		"action=set" > /var/log/$app/install2.html
 
+ynh_exec_fully_quiet sleep 5
+
 ynh_script_progression --message="installation - step 4" --weight=3
 ynh_local_curl "/install/step4.php" \
 		"testpost=ok" \
 		"action=set" > /var/log/$app/install3.html
-		
+
+ynh_exec_fully_quiet sleep 5
+
 # Generate a random password for the admin user (will be ignored because of LDAP)
 password=$(ynh_string_random 8)
 
@@ -172,6 +180,8 @@ ynh_local_curl "/install/step5.php" \
 		"pass=$password" \
 		"pass_verif=$password" > /var/log/$app/install4.html
 
+ynh_exec_fully_quiet sleep 5
+
 ynh_script_progression --message="configuring LDAP" --weight=1
 
 # Populate the LDAP parameters
diff --git a/scripts/upgrade b/scripts/upgrade
index c7075a9..c340445 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -174,13 +174,17 @@ then
 	else
 		ynh_print_warn --message="Step 1 upgrading ended with error"
 	fi
-	
+
+	ynh_exec_fully_quiet sleep 5
+
 	if php$phpversion upgrade2.php $current_version $update_version > /var/log/$app/upgrade2.html; then
 		ynh_print_info --message="Step 2 upgrading ended successfully"
 	else
 		ynh_print_warn --message="Step 2 upgrading ended with error"
 	fi
-	
+
+	ynh_exec_fully_quiet sleep 5
+
 	charset=$(mysql -ss -N -e "SELECT default_character_set_name FROM information_schema.SCHEMATA WHERE schema_name = '$db_name'")
 	if [ "$charset" != "utf8" ]
 	then
@@ -191,7 +195,9 @@ then
 		ynh_local_curl  "/install/repair.php" \
 				"force_utf8_on_tables=confirmed" > /var/log/$app/repair.html
 	fi
-	
+
+	ynh_exec_fully_quiet sleep 5
+
 	if php$phpversion step5.php $current_version $update_version > /var/log/$app/upgrade3.html; then
 		ynh_print_info --message="Step 3 upgrading ended successfully"
 	else