diff --git a/doc/interfaces.rst b/doc/interfaces.rst
index e7b9dca2f4..4a8714e630 100644
--- a/doc/interfaces.rst
+++ b/doc/interfaces.rst
@@ -8,7 +8,7 @@ Interfaces and Workflows
 :Release: |version|
 :Date: |today|
 
-Previous versions: `1.8.6 <http://nipype.readthedocs.io/en/1.8.6/>`_ `1.8.5 <http://nipype.readthedocs.io/en/1.8.5/>`_
+Previous versions: `1.9.0 <http://nipype.readthedocs.io/en/1.9.0/>`_ `1.8.6 <http://nipype.readthedocs.io/en/1.8.6/>`_
 
 Workflows
 ---------
diff --git a/nipype/info.py b/nipype/info.py
index 3b006ae161..8ab5caba56 100644
--- a/nipype/info.py
+++ b/nipype/info.py
@@ -5,7 +5,7 @@
 
 # nipype version information
 # Remove .dev0 for release
-__version__ = "1.9.0"
+__version__ = "1.9.1.dev0"
 
 
 def get_nipype_gitversion():