diff --git a/pyproject.toml b/pyproject.toml
index 6aa0e64..fcd4cbe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "rougail.user_data_questionary"
-version = "0.1.0a6"
+version = "1.0.0rc0"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "Rougail user_data questionary"
diff --git a/src/rougail/user_data_questionary/__version__.py b/src/rougail/user_data_questionary/__version__.py
index 1ca0c07..a981593 100644
--- a/src/rougail/user_data_questionary/__version__.py
+++ b/src/rougail/user_data_questionary/__version__.py
@@ -19,4 +19,4 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 """
 
-__version__ = "0.1.0a6"
+__version__ = "1.0.0rc0"