diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 25f38d56..72852edf 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: 3.11
       - name: Install tools
         run: pip install wheel
       - name: Build
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 32e1f0fc..d23e3b67 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Set up python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.11"
       - name: Install tools
         run: pip install flake8 black isort wheel docstring-parser
       - name: Lint
@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
     name: Tests on Python ${{ matrix.python-version }}
     steps:
       - name: Set up python
diff --git a/CHANGELOG.md b/CHANGELOG.md
index afe5906b..38d47ffc 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 ([#404](https://github.com/Substra/substra/pull/404))
 - 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"