diff --git a/CHANGELOG.md b/CHANGELOG.md
index d69d0de..385aad8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- towncrier release notes start -->
 
+## [1.0.0](https://github.com/Substra/substra-tools/releases/tag/1.0.0) - 2024-10-14
+
+### Removed
+
+- Drop Python 3.9 support. ([#112](https://github.com/Substra/substra-tools/pull/112))
+
+
 ## [0.22.0](https://github.com/Substra/substra-tools/releases/tag/0.22.0) - 2024-09-04
 
 ### Changed
diff --git a/changes/112.removed b/changes/112.removed
deleted file mode 100644
index 8a3d28c..0000000
--- a/changes/112.removed
+++ /dev/null
@@ -1 +0,0 @@
-Drop Python 3.9 support.
diff --git a/substratools/__version__.py b/substratools/__version__.py
index 5963297..5becc17 100644
--- a/substratools/__version__.py
+++ b/substratools/__version__.py
@@ -1 +1 @@
-__version__ = "0.22.0"
+__version__ = "1.0.0"