diff --git a/scripts/upgrade b/scripts/upgrade
index 370f361..62d60e4 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -90,6 +90,7 @@ fi
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
+chmod +x "$final_path/cells"
 
 #=================================================
 # NGINX CONFIGURATION