diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0bfa740..6b25395 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,14 +9,8 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: [3.7, 3.8, 3.9, "3.10", "3.11", pypy-3.7]
+        python-version: [3.9, "3.10", "3.11", "3.12", pypy-3.10]
         include:
-        - python-version: 3.7
-          env:
-            TOXENV: py
-        - python-version: 3.8
-          env:
-            TOXENV: py
         - python-version: 3.9
           env:
             TOXENV: py
@@ -26,16 +20,17 @@ jobs:
         - python-version: "3.11"
           env:
             TOXENV: py
-        - python-version: pypy-3.7
+        - python-version: "3.12"
+          env:
+            TOXENV: py
+        - python-version: pypy-3.10
           env:
             TOXENV: pypy
         # It is difficult to install libxml2 and libxslt development packages on Windows.
         # https://www.lfd.uci.edu/~gohlke/pythonlibs/ distributes a wheel, but the URL changes.
         exclude:
           - os: windows-latest
-            python-version: pypy-3.7
-          - os: windows-latest
-            python-version: "3.11"
+            python-version: pypy-3.10
 
     steps:
     - uses: actions/checkout@v3
diff --git a/CHANGES.rst b/CHANGES.rst
index 3ce9606..8c5bbfc 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,11 @@ History
 1.3.0 (Unreleased)
 ~~~~~~~~~~~~~~~~~~
 
+Added
+^^^^^
+
+- Add support for Python 3.12.
+
 Changed
 ^^^^^^^
 
@@ -15,6 +20,11 @@ Fixed
 
 - The ``scrapyd-client schedule`` subcommand accepts multiple ``--arg setting=...`` arguments. (@mxdev88)
 
+Removed
+^^^^^^^
+
+- Drop support for Python 3.7, 3.8.
+
 1.2.3 (2023-01-30)
 ~~~~~~~~~~~~~~~~~~
 
diff --git a/pyproject.toml b/pyproject.toml
index c34d7aa..7422af2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.ruff]
 line-length = 119
-target-version = "py311"
+target-version = "py39"
 
 [tool.ruff.lint]
 select = ["ALL"]
diff --git a/setup.py b/setup.py
index 02ed689..7600dea 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,6 @@
             "pytest-mock",
         ]
     },
-    python_requires=">=3.6",
     license="BSD",
     zip_safe=False,
     entry_points={
@@ -56,11 +55,10 @@
         "Operating System :: OS Independent",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Internet :: WWW/HTTP",