diff --git a/CHANGELOG.md b/CHANGELOG.md
index afe5906b..5a5f3329 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.51.0](https://github.com/Substra/substra/releases/tag/0.51.0) - 2024-03-07
+
 ### Changed
 
+- Dropped Python 3.8 support
 - Compute task status `DOING` is renamed `EXECUTING` ([#401](https://github.com/Substra/substra/pull/401))
 - Compute plan statuses `EMPTY`, `WAITING` ansd `TODO` are merged into new status `CREATED` ([#401](https://github.com/Substra/substra/pull/401))
 
diff --git a/setup.py b/setup.py
index 4b805edc..9362aaa8 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,6 @@
         "Topic :: Utilities",
         "Natural Language :: English",
         "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
@@ -49,14 +48,14 @@
         "tqdm",
         "python-slugify",
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     extras_require={
         "dev": [
             "pandas",
             "pytest",
             "pytest-cov",
             "pytest-mock",
-            "substratools>=0.21.1",
+            "substratools>=0.21.2",
             "black",
             "flake8",
             "isort",
diff --git a/substra/__version__.py b/substra/__version__.py
index 3a7c7a2f..d942e9e7 100644
--- a/substra/__version__.py
+++ b/substra/__version__.py
@@ -1 +1 @@
-__version__ = "0.50.0"
+__version__ = "0.51.0"