diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8baef5..f1e3489 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 1.0.0rc1 (2026-06-18)
+
+### Fix
+
+- dependencies
+
 ## 0.2.0a21 (2026-06-15)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 370e002..c1f288a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "rougail.user_data_yaml"
-version = "1.0.0rc0"
+version = "1.0.0rc1"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "Rougail user_data yaml"
diff --git a/src/rougail/user_data_yaml/__version__.py b/src/rougail/user_data_yaml/__version__.py
index bcf7f89..6c93125 100644
--- a/src/rougail/user_data_yaml/__version__.py
+++ b/src/rougail/user_data_yaml/__version__.py
@@ -1 +1 @@
-__version__ = "1.0.0rc0"
+__version__ = "1.0.0rc1"