diff --git a/scripts/upgrade b/scripts/upgrade
index 61fcc61..6ed331d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -104,6 +104,14 @@ ynh_script_progression --message="Making sure dedicated system user exists..." -
 # Create a dedicated user (if not existing)
 ynh_system_user_create --username=$app --home_dir="$final_path"
 
+#=================================================
+# REINSTALL DEPENDENCIES
+#=================================================
+
+ynh_script_progression --message="Reinstalling dependencies..." --weight=2
+
+ynh_install_app_dependencies "php${phpversion}-fpm"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================