diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1f89fe6..15c865b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,9 +37,6 @@ jobs:
             - os: ubuntu-24.04
               python-version: '3.11'
               toxenv: mypy
-            - os: ubuntu-22.04
-              python-version: '3.9'
-              toxenv: py39
             - os: ubuntu-22.04
               python-version: '3.10'
               toxenv: py310
diff --git a/pyproject.toml b/pyproject.toml
index 69b0aa3..f5ce26d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,6 @@ classifiers = [
     "Operating System :: POSIX",
     "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",
@@ -22,7 +21,7 @@ classifiers = [
 ]
 license = "BSD-3-Clause"
 license-files = ["LICENSE.rst"]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "requests >= 2.25.1",
 ]
diff --git a/tox.ini b/tox.ini
index d05e9ee..3eb2569 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 # tox configuration - if you change anything here, run this to verify: tox --recreate
 
 [tox]
-envlist = py{39,310,311,312,313,314},flake8,mypy
+envlist = py{310,311,312,313,314},flake8,mypy
 
 [testenv]
 deps = pytest