diff --git a/python/soma_workflow/zro.py b/python/soma_workflow/zro.py
index f1b4972e..41ca6d6a 100644
--- a/python/soma_workflow/zro.py
+++ b/python/soma_workflow/zro.py
@@ -514,7 +514,7 @@ def get_socket(self):
 
     def __call__(self, *args, **kwargs):
         try:
-            timeout = 5000  # ms
+            timeout = 15000  # ms
             logger = logging.getLogger('zro.ObjectServer')
             logger.debug('Execute method: %s.%s(*%s, **%s)'
                          % (self.proxy.classname, self.method, repr(args),