diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 729336bac..33eb810a0 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -11,7 +11,6 @@ steps:
     matrix:
       setup:
         python:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20663c601..da7797f91 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         nox-session: [""]
         runs-on: ["ubuntu-latest"]
 
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4d83ec97c..512ba2a7d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -17,7 +17,7 @@ found at `.buildkite/run-elasticsearch.sh`.
 
 There are several environment variables that control integration tests:
 
-- `PYTHON_VERSION`: Version of Python to use, defaults to `3.9`
+- `PYTHON_VERSION`: Version of Python to use, defaults to `3.14`
 - `PYTHON_CONNECTION_CLASS`: Connection class to use, defaults to `Urllib3HttpConnection`
 - `STACK_VERSION`: Version of Elasticsearch to use. These should be
   the same as tags of `docker.elastic.co/elasticsearch/elasticsearch`
diff --git a/docs/reference/getting-started.md b/docs/reference/getting-started.md
index 7a5d82c16..151cb95fb 100644
--- a/docs/reference/getting-started.md
+++ b/docs/reference/getting-started.md
@@ -11,7 +11,7 @@ This page guides you through the installation process of the Python client, show
 
 ### Requirements [_requirements]
 
-* [Python](https://www.python.org/) 3.9 or newer
+* [Python](https://www.python.org/) 3.10 or newer
 * [`pip`](https://pip.pypa.io/en/stable/), installed by default alongside Python
 
 
diff --git a/examples/fastapi-apm/dockerfiles/Dockerfile.app b/examples/fastapi-apm/dockerfiles/Dockerfile.app
index 40809ceba..c4c9fe38f 100644
--- a/examples/fastapi-apm/dockerfiles/Dockerfile.app
+++ b/examples/fastapi-apm/dockerfiles/Dockerfile.app
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.10
 
 EXPOSE 9292
 WORKDIR /
diff --git a/examples/fastapi-apm/dockerfiles/Dockerfile.ping b/examples/fastapi-apm/dockerfiles/Dockerfile.ping
index 97e24af2d..6525cbea4 100644
--- a/examples/fastapi-apm/dockerfiles/Dockerfile.ping
+++ b/examples/fastapi-apm/dockerfiles/Dockerfile.ping
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.10
 WORKDIR /
 RUN python -m pip install \
     --no-cache \
diff --git a/noxfile.py b/noxfile.py
index 01de5e4b4..73f3df3d5 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -44,7 +44,7 @@ def pytest_argv():
     ]
 
 
-@nox.session(python=["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"])
+@nox.session(python=["3.10", "3.11", "3.12", "3.13", "3.14"])
 def test(session):
     session.install("-e", ".[dev]", env=INSTALL_ENV, silent=False)
 
diff --git a/pyproject.toml b/pyproject.toml
index 6b4915106..e2453c8ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "elasticsearch"
 description = "Python client for Elasticsearch"
 readme = "README.md"
 license = "Apache-2.0"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 authors = [
     { name = "Elastic Client Library Maintainers", email = "client-libs@elastic.co" },
 ]
@@ -21,7 +21,6 @@ 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",
diff --git a/utils/generate-examples.py b/utils/generate-examples.py
index 39fdc0973..20c5c3424 100644
--- a/utils/generate-examples.py
+++ b/utils/generate-examples.py
@@ -198,7 +198,7 @@
 def blacken(filename):
     runner = CliRunner()
     result = runner.invoke(
-        black.main, [str(filename), "--line-length=75", "--target-version=py37"]
+        black.main, [str(filename), "--line-length=75", "--target-version=py310"]
     )
     assert result.exit_code == 0, result.output
 
diff --git a/utils/run-unasync-dsl.py b/utils/run-unasync-dsl.py
index b74c748fa..f9035de76 100644
--- a/utils/run-unasync-dsl.py
+++ b/utils/run-unasync-dsl.py
@@ -101,7 +101,7 @@ def main(check=False):
     output_dirs = []
     for dir in source_dirs:
         output_dirs.append(f"{dir[0]}_sync_check/" if check else dir[1])
-    subprocess.check_call(["black", "--target-version=py38", *output_dirs])
+    subprocess.check_call(["black", "--target-version=py310", *output_dirs])
     subprocess.check_call(["isort", *output_dirs])
     for dir, output_dir in zip(source_dirs, output_dirs):
         for file in glob("*.py", root_dir=dir[0]):