diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5deecb80..28d0fa60 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,21 +4,30 @@ All notable changes to this project will be documented in this file.
 
 The format is roughly based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## [Current: 0.11.x]
+
+## [Current: 0.12.x]
 
 ### Added
 
 ### Changed
 
-- Dockerfile: switch to `python:3.9-slim-bullseye` base image
-- Parallelize `/jobs` requests to upstream back-ends ([#28](https://github.com/Open-EO/openeo-aggregator/issues/28))
-- Increase timeout on getting batch job logs to 120s ([#128](https://github.com/Open-EO/openeo-aggregator/issues/128))
+- Bump minimal required Python version to 3.10 ([#127](https://github.com/Open-EO/openeo-aggregator/issues/127))
 
 ### Fixed
 
 ### Removed
 
 
+
+## [0.11.x]
+
+### Changed
+
+- Dockerfile: switch to `python:3.9-slim-bullseye` base image
+- Parallelize `/jobs` requests to upstream back-ends ([#28](https://github.com/Open-EO/openeo-aggregator/issues/28))
+- Increase timeout on getting batch job logs to 120s ([#128](https://github.com/Open-EO/openeo-aggregator/issues/128))
+
+
 ## [0.10.x]
 
 ### Added
diff --git a/Dockerfile b/Dockerfile
index 1820f1b6..297e9530 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim-bullseye
+FROM python:3.10-slim-bullseye
 
 
 # Workaround for IPv4/IPv6 networking performance issues.
diff --git a/Jenkinsfile b/Jenkinsfile
index e99a1e7f..4c4845b5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,7 @@ pythonPipeline {
   package_name = 'openeo-aggregator'
   test_module_name = 'openeo_aggregator'
   wipeout_workspace = true
-  python_version = ["3.8"]
+  python_version = ["3.10"]
   extras_require = 'dev'
   upload_dev_wheels = false
   build_container_image = true
diff --git a/pyproject.toml b/pyproject.toml
index 06022854..ee627a94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,4 @@
 
 [tool.black]
 line-length = 120
+target-version = ["py310", "py311"]
diff --git a/setup.py b/setup.py
index 1d181eaf..a6bc30da 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
     data_files=[
         ("openeo-aggregator", ["CHANGELOG.md"]),
     ],
-    python_requires=">=3.8",
+    python_requires=">=3.10",
     install_requires=[
         "requests",
         "attrs",
diff --git a/src/openeo_aggregator/about.py b/src/openeo_aggregator/about.py
index f63d43d8..af952b5c 100644
--- a/src/openeo_aggregator/about.py
+++ b/src/openeo_aggregator/about.py
@@ -1,7 +1,7 @@
 import logging
 import sys
 
-__version__ = "0.11.1a1"
+__version__ = "0.12.0a1"
 
 
 def log_version_info():