diff --git a/README.md b/README.md
index 6e21ac2..f9d67d9 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
 
 Create and email invoices, track payments, expenses, and time tasks
 
-**Shipped version:** 5.4.12~ynh1
+**Shipped version:** 5.5.2~ynh1
 
 **Demo:** https://app.invoiceninja.com/dashboard
 
diff --git a/README_fr.md b/README_fr.md
index 208a9cf..131a22a 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -17,7 +17,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 Créer et envoyer des factures par e-mail, suivre les paiements, les dépenses et les tâches horaires
 
-**Version incluse :** 5.4.12~ynh1
+**Version incluse :** 5.5.2~ynh1
 
 **Démo :** https://app.invoiceninja.com/dashboard
 
diff --git a/conf/app.src b/conf/app.src
index a5b9a9c..955244d 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/invoiceninja/invoiceninja/releases/download/v5.4.12/invoiceninja.zip
-SOURCE_SUM=0426a014d26b0aa6102c454412e04c04092b8ed8dc65c236a78b4ef5e9d1e577
+SOURCE_URL=https://github.com/invoiceninja/invoiceninja/releases/download/v5.5.2/invoiceninja.zip
+SOURCE_SUM=64647f6960b64ac42633b65c6b8c108544e2dc845117d3c9f921792474df4ef9
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/manifest.json b/manifest.json
index fdaa033..a03e68a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Create and email invoices, track payments, expenses, and time tasks",
         "fr": "Créer et envoyer des factures par e-mail, suivre les paiements, les dépenses et les tâches horaires"
     },
-    "version": "5.4.12~ynh1",
+    "version": "5.5.2~ynh1",
     "url": "https://invoiceninja.org",
     "upstream": {
         "license": "Elastic-2.0",
diff --git a/scripts/upgrade b/scripts/upgrade
index 4307400..0d98727 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,7 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+phpversion=$YNH_PHP_VERSION
 
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
@@ -133,9 +133,15 @@ ynh_script_progression --message="Upgrading the database..."
 pushd "$final_path"
 	# Clear caches
 	# https://github.com/invoiceninja/invoiceninja/issues/7397
-	ynh_secure_remove --file=bootstrap/cache/*
-	ynh_secure_remove --file=storage/framework/cache/*
-	ynh_secure_remove --file=storage/framework/sessions/*
+	ynh_secure_remove --file=$final_path/bootstrap/cache/
+	ynh_secure_remove --file=$final_path/storage/framework/cache/
+	ynh_secure_remove --file=$final_path/storage/framework/sessions/
+
+	mkdir -p $final_path/bootstrap/cache/ $final_path/storage/framework/cache/ $final_path/storage/framework/sessions/
+
+	# clear cached stuff under /app/data/storage/framework (https://github.com/laravel/framework/issues/17377)
+	php$phpversion artisan view:clear
+	php$phpversion artisan cache:clear
 
 	# Run the database migrations
 	php$phpversion artisan migrate --force --no-interaction --verbose