diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 4d63466..6fda8f0 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -40,6 +40,7 @@ jobs:
             cpython-beta: "3.14"
             pypys:
               - "3.10"
+              - "3.11"
             tox-post-environments:
               - "py3.9-minimum_dependencies"
               - "py3.9-http-lxml"
@@ -69,7 +70,7 @@ jobs:
           - name: "Quality"
             runner: "ubuntu-latest"
             cpythons:
-              - "3.12"
+              - "3.13"
             tox-environments:
               - "docs"
               - "mypy"
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 47dfe21..f323af7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@ ci:
   autoupdate_schedule: "quarterly"
 
 default_language_version:
-  python: "python3.12"
+  python: "python3.13"
 
 repos:
   - repo: "meta"
@@ -31,29 +31,29 @@ repos:
           - "--py39-plus"
 
   - repo: "https://github.com/psf/black-pre-commit-mirror"
-    rev: "24.10.0"
+    rev: "25.1.0"
     hooks:
       - id: "black"
 
   - repo: "https://github.com/pycqa/isort"
-    rev: "6.0.0"
+    rev: "6.0.1"
     hooks:
       - id: "isort"
 
   - repo: "https://github.com/pycqa/flake8"
-    rev: "7.1.1"
+    rev: "7.2.0"
     hooks:
       - id: "flake8"
         additional_dependencies:
           - "flake8-bugbear==24.12.12"
 
   - repo: "https://github.com/editorconfig-checker/editorconfig-checker"
-    rev: "v3.2.0"
+    rev: "v3.2.1"
     hooks:
       - id: "editorconfig-checker"
 
   - repo: "https://github.com/python-jsonschema/check-jsonschema"
-    rev: "0.31.0"
+    rev: "0.32.1"
     hooks:
       - id: "check-dependabot"
       - id: "check-github-workflows"
diff --git a/changelog.d/20250404_131218_kurtmckee_python_support.rst b/changelog.d/20250404_131218_kurtmckee_python_support.rst
new file mode 100644
index 0000000..72c79a3
--- /dev/null
+++ b/changelog.d/20250404_131218_kurtmckee_python_support.rst
@@ -0,0 +1,4 @@
+Python support
+--------------
+
+*   Support PyPy 3.11.
diff --git a/requirements/docs/requirements.txt b/requirements/docs/requirements.txt
index 6b9b715..97c1a10 100644
--- a/requirements/docs/requirements.txt
+++ b/requirements/docs/requirements.txt
@@ -1,16 +1,16 @@
 alabaster==0.7.16 ; python_version >= "3.9"
-babel==2.16.0 ; python_version >= "3.9"
-certifi==2024.12.14 ; python_version >= "3.9"
+babel==2.17.0 ; python_version >= "3.9"
+certifi==2025.1.31 ; python_version >= "3.9"
 charset-normalizer==3.4.1 ; python_version >= "3.9"
 colorama==0.4.6 ; python_version >= "3.9" and sys_platform == "win32"
 docutils==0.21.2 ; python_version >= "3.9"
 idna==3.10 ; python_version >= "3.9"
 imagesize==1.4.1 ; python_version >= "3.9"
-importlib-metadata==8.5.0 ; python_version < "3.10" and python_version >= "3.9"
+importlib-metadata==8.6.1 ; python_version == "3.9"
 jinja2==3.1.6 ; python_version >= "3.9"
 markupsafe==3.0.2 ; python_version >= "3.9"
 packaging==24.2 ; python_version >= "3.9"
-pygments==2.19.0 ; python_version >= "3.9"
+pygments==2.19.1 ; python_version >= "3.9"
 requests==2.32.3 ; python_version >= "3.9"
 snowballstemmer==2.2.0 ; python_version >= "3.9"
 sphinx==7.4.7 ; python_version >= "3.9"
@@ -20,6 +20,6 @@ sphinxcontrib-htmlhelp==2.1.0 ; python_version >= "3.9"
 sphinxcontrib-jsmath==1.0.1 ; python_version >= "3.9"
 sphinxcontrib-qthelp==2.0.0 ; python_version >= "3.9"
 sphinxcontrib-serializinghtml==2.0.0 ; python_version >= "3.9"
-tomli==2.2.1 ; python_version < "3.11" and python_version >= "3.9"
+tomli==2.2.1 ; python_version >= "3.9" and python_version < "3.11"
 urllib3==2.3.0 ; python_version >= "3.9"
-zipp==3.21.0 ; python_version < "3.10" and python_version >= "3.9"
+zipp==3.21.0 ; python_version == "3.9"
diff --git a/requirements/mypy/requirements.txt b/requirements/mypy/requirements.txt
index 1945c07..a0d05fa 100644
--- a/requirements/mypy/requirements.txt
+++ b/requirements/mypy/requirements.txt
@@ -1,8 +1,8 @@
 lxml-stubs==0.5.1 ; python_version >= "3.9"
 mypy-extensions==1.0.0 ; python_version >= "3.9"
-mypy==1.14.1 ; python_version >= "3.9"
-tomli==2.2.1 ; python_version < "3.11" and python_version >= "3.9"
-types-requests==2.32.0.20241016 ; python_version >= "3.9"
+mypy==1.15.0 ; python_version >= "3.9"
+tomli==2.2.1 ; python_version >= "3.9" and python_version < "3.11"
+types-requests==2.32.0.20250328 ; python_version >= "3.9"
 types-toml==0.10.8.20240310 ; python_version >= "3.9"
-typing-extensions==4.12.2 ; python_version >= "3.9"
+typing-extensions==4.13.1 ; python_version >= "3.9"
 urllib3==2.3.0 ; python_version >= "3.9"
diff --git a/requirements/test/requirements.txt b/requirements/test/requirements.txt
index 3e5e2cd..f83d0fd 100644
--- a/requirements/test/requirements.txt
+++ b/requirements/test/requirements.txt
@@ -1,11 +1,11 @@
 colorama==0.4.6 ; python_version >= "3.9" and sys_platform == "win32"
-coverage[toml]==7.6.10 ; python_version >= "3.9"
-exceptiongroup==1.2.2 ; python_version < "3.11" and python_version >= "3.9"
-importlib-metadata==8.5.0 ; python_version < "3.10" and python_version >= "3.9"
-iniconfig==2.0.0 ; python_version >= "3.9"
+coverage==7.8.0 ; python_version >= "3.9"
+exceptiongroup==1.2.2 ; python_version >= "3.9" and python_version < "3.11"
+importlib-metadata==8.6.1 ; python_version == "3.9"
+iniconfig==2.1.0 ; python_version >= "3.9"
 packaging==24.2 ; python_version >= "3.9"
 pluggy==1.5.0 ; python_version >= "3.9"
 pytest-randomly==3.16.0 ; python_version >= "3.9"
-pytest==8.3.4 ; python_version >= "3.9"
-tomli==2.2.1 ; python_full_version <= "3.11.0a6" and python_version >= "3.9"
-zipp==3.21.0 ; python_version < "3.10" and python_version >= "3.9"
+pytest==8.3.5 ; python_version >= "3.9"
+tomli==2.2.1 ; python_version >= "3.9" and python_full_version <= "3.11.0a6"
+zipp==3.21.0 ; python_version == "3.9"
diff --git a/tox.ini b/tox.ini
index 69568f5..63a0e54 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ min_version = 4.3.5
 envlist =
     coverage_erase
     py{3.14, 3.13, 3.12, 3.11, 3.10, 3.9}{-http-lxml,}
-    pypy{3.10}{-http,}
+    pypy{3.11, 3.10}{-http,}
     py3.9-minimum_dependencies
     coverage_report
     mypy
@@ -18,7 +18,7 @@ wheel_build_env = build_wheel
 
 depends =
     py{3.14, 3.13, 3.12, 3.11, 3.10, 3.9}{-http,}{-lxml,}{-minimum_dependencies,}: coverage_erase
-    pypy{3.10}{-http,}: coverage_erase
+    pypy{3.11, 3.10}{-http,}: coverage_erase
 deps =
     -rrequirements/test/requirements.txt
     # The dependencies here must match the minimums declared in `pyproject.toml`.
@@ -54,7 +54,7 @@ commands = coverage erase
 [testenv:coverage_report]
 depends =
     py{3.14, 3.13, 3.12, 3.11, 3.10, 3.9}{-http,}{-lxml,}{-minimum_dependencies,}
-    pypy{3.10}{-http,}
+    pypy{3.11, 3.10}{-http,}
 skipsdist = true
 skip_install = true
 deps = -rrequirements/test/requirements.txt