diff --git a/python/obitools3/commands/cat.pyx b/python/obitools3/commands/cat.pyx
index 2df9023..45e2591 100755
--- a/python/obitools3/commands/cat.pyx
+++ b/python/obitools3/commands/cat.pyx
@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport str2bytes
@@ -28,6 +28,7 @@ __title__="Concatenate views."
 def addOptions(parser):
     
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi cat specific options')
 
diff --git a/python/obitools3/version.py b/python/obitools3/version.py
index 33b7d97..efd1e13 100755
--- a/python/obitools3/version.py
+++ b/python/obitools3/version.py
@@ -1,5 +1,5 @@
 major = 3
 minor = 0
-serial= '0b32'
+serial= '0b33'
 
 version ="%d.%d.%s" % (major,minor,serial)