diff --git a/dodo.py b/dodo.py
index 5496146..ce552f0 100644
--- a/dodo.py
+++ b/dodo.py
@@ -1,4 +1,5 @@
 import subprocess
+import os
 
 from doit.tools import LongRunning
 
@@ -14,11 +15,10 @@ def task_build():
     '''builda il container docker'''
     return {
         'uptodate': [up2date_anyimages],
-        'file_dep': ['docker-compose.yml', 'docker/Dockerfile-tt-rss',
-                     'docker/ttrss-openrc-apache',
-                     'docker/ttrss-openrc-ttrssupdate',
-                     'rss-bridge/Dockerfile'
-                     ],
+        'file_dep': ['docker-compose.yml',
+                     'rss-bridge/Dockerfile',
+                    ] + [os.path.join('docker', fname)
+                         for fname in os.listdir('docker')],
         'actions': [COMPOSE + ' build'],
         'clean': [run_task_func(task__build_rm),
                   run_task_func(task__build_rmi)],