diff --git a/CHANGELOG.md b/CHANGELOG.md
index 402330f3e..a582b5cd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 0.2.0a27 (2025-09-29)
+
+### Fix
+
+- doc network with CIDR format
+- better doc for calculation with unknown variable
+
 ## 0.2.0a26 (2025-09-29)
 
 ### Feat
diff --git a/pyproject.toml b/pyproject.toml
index bf6577e23..c5728dd28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["flit_core >=3.8.0,<4"]
 
 [project]
 name = "rougail.output_doc"
-version = "0.2.0a26"
+version = "0.2.0a27"
 authors = [{name = "Emmanuel Garette", email = "gnunux@gnunux.info"}]
 readme = "README.md"
 description = "Rougail output doc"
diff --git a/src/rougail/output_doc/__version__.py b/src/rougail/output_doc/__version__.py
index c8b95de43..a378c12f8 100644
--- a/src/rougail/output_doc/__version__.py
+++ b/src/rougail/output_doc/__version__.py
@@ -1 +1 @@
-__version__ = "0.2.0a26"
+__version__ = "0.2.0a27"