diff --git a/CHANGES.md b/CHANGES.md
index ca68197..9076466 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,5 @@
 # Changelog
 
-## 1.0a1 (unreleased)
+## 1.0.0a1 (2024-01-11)
 
 -   Initial release. \[mamico\]
diff --git a/setup.py b/setup.py
index 37af00f..d730143 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
     name="pas.plugins.passwordstrength",
-    version="1.0a1",
+    version="1.0.0a1",
     description="Adds verification rules for user passwords in plone.",
     long_description=long_description,
     # Get more from https://pypi.org/classifiers/