diff --git a/doc/sphinx/source/conf.py b/doc/sphinx/source/conf.py
index c4f063ef0..cbe97e5a4 100644
--- a/doc/sphinx/source/conf.py
+++ b/doc/sphinx/source/conf.py
@@ -89,9 +89,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.0'
+version = '1.1'
 # The full version, including alpha/beta/rc tags.
-release = '1.0.0'
+release = '1.1.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup_data.py b/setup_data.py
index 8d4516710..4da28f00d 100644
--- a/setup_data.py
+++ b/setup_data.py
@@ -77,7 +77,7 @@ def read_readme(file_name):
 
 setup_dict = dict(
     name='PySpice',
-    version='1.0.0',
+    version='1.1.0',
     author='Fabrice Salvaire',
     author_email='fabrice.salvaire@orange.fr',
     description='Simulate electronic circuit using Python and Ngspice simulator',