diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 27767c7..08429a5 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,8 +10,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - python-version: "3.9"
-          - python-version: "3.10"
           - python-version: "3.11"
           - python-version: "3.12"
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 888223e..bb392a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.3.0
+
+- Drop Python 3.9 and 3.10, both end of life
+
+
 ## 0.2.2
 
 - Revert BaseFHIRError exceptions from fhir-py in operation handlers
diff --git a/README.md b/README.md
index 64885af..53363be 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 [![build status](https://github.com/Aidbox/aidbox-python-sdk/actions/workflows/build.yaml/badge.svg)](https://github.com/Aidbox/aidbox-python-sdk/actions/workflows/build.yaml)
 [![pypi](https://img.shields.io/pypi/v/aidbox-python-sdk.svg)](https://pypi.org/project/aidbox-python-sdk/)
-[![Supported Python version](https://img.shields.io/badge/python-3.9+-blue.svg)](https://www.python.org/downloads/release/python-390/)
+[![Supported Python version](https://img.shields.io/badge/python-3.11+-blue.svg)](https://www.python.org/downloads/release/python-3110/)
 
 # aidbox-python-sdk
 
-1. Create a python 3.9+ environment `pyenv `
+1. Create a python 3.11+ environment `pyenv `
 2. Set env variables and activate virtual environment `source activate_settings.sh`
 2. Install the required packages with `pipenv install --dev`
 3. Make sure the app's settings are configured correctly (see `activate_settings.sh` and `aidbox_python_sdk/settings.py`). You can also
diff --git a/aidbox_python_sdk/__init__.py b/aidbox_python_sdk/__init__.py
index e664b4f..731a807 100644
--- a/aidbox_python_sdk/__init__.py
+++ b/aidbox_python_sdk/__init__.py
@@ -1,5 +1,5 @@
 __title__ = "aidbox-python-sdk"
-__version__ = "0.2.3"
+__version__ = "0.3.0"
 __author__ = "beda.software"
 __license__ = "None"
 __copyright__ = "Copyright 2026 beda.software"
diff --git a/pyproject.toml b/pyproject.toml
index 6c4420e..d8064df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,14 +76,12 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Topic :: Internet :: WWW/HTTP",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.11"
 
 [project.optional-dependencies]
 test = [
diff --git a/tests/test_sdk.py b/tests/test_sdk.py
index 5b70b46..0174812 100644
--- a/tests/test_sdk.py
+++ b/tests/test_sdk.py
@@ -70,11 +70,13 @@ async def test_appointment_sub(sdk, aidbox_client, safe_db):
         f.set_result("")
         appointment_sub.return_value = f
         was_appointment_sub_triggered = sdk.was_subscription_triggered("Appointment")
+        patient = aidbox_client.resource("Patient")
+        await patient.save()
         resource = aidbox_client.resource(
             "Appointment",
             **{
                 "status": "proposed",
-                "participant": [{"status": "accepted"}],
+                "participant": [{"status": "accepted", "actor": patient}],
             },
         )
         await resource.save()
@@ -84,7 +86,9 @@ async def test_appointment_sub(sdk, aidbox_client, safe_db):
         expected = {
             "resource": {
                 "status": "proposed",
-                "participant": [{"status": "accepted"}],
+                "participant": [
+                    {"status": "accepted", "actor": {"id": patient.id, "resourceType": "Patient"}}
+                ],
                 "resourceType": "Appointment",
             },
             "action": "create",