diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9e44b35..00835fb 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,13 +9,13 @@ on:
 jobs:
   linters:
     name: Linting and static analysis
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.13"
       - run: pip install -r requirements.txt
       - run: pre-commit run --all-files
       - run: mypy looptime --strict
@@ -24,13 +24,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.7", "3.8", "3.9", "3.10" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -45,7 +45,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.github_token }}
         continue-on-error: true
       - name: Publish coverage to CodeCov.io
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         if: success()
         env:
           PYTHON: ${{ matrix.python-version }}
@@ -59,13 +59,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "pypy-3.7", "pypy-3.8" ]
+        python-version: [ "pypy-3.9", "pypy-3.10", "pypy-3.11" ]
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -76,9 +76,9 @@ jobs:
   coveralls-finish:
     name: Finalize coveralls.io
     needs: [unit-tests]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
       - run: pip install coveralls
       - run: coveralls --service=github --finish
         env:
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 1a2f551..ec46ebe 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -11,10 +11,10 @@ on:
 jobs:
   publish:
     name: Build and publish
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - run: pip install --upgrade setuptools wheel twine
diff --git a/.github/workflows/thorough.yaml b/.github/workflows/thorough.yaml
index 4970cf5..2206545 100644
--- a/.github/workflows/thorough.yaml
+++ b/.github/workflows/thorough.yaml
@@ -11,13 +11,13 @@ on:
 jobs:
   linters:
     name: Linting and static analysis
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.13"
       - run: pip install -r requirements.txt
       - run: pre-commit run --all-files
       - run: mypy looptime --strict
@@ -26,13 +26,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.7", "3.8", "3.9", "3.10" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -47,7 +47,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.github_token }}
         continue-on-error: true
       - name: Publish coverage to CodeCov.io
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
         if: success()
         env:
           PYTHON: ${{ matrix.python-version }}
@@ -61,13 +61,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "pypy-3.7", "pypy-3.8" ]
+        python-version: [ "pypy-3.9", "pypy-3.10", "pypy-3.11" ]
     name: Python ${{ matrix.python-version }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -78,9 +78,9 @@ jobs:
   coveralls-finish:
     name: Finalize coveralls.io
     needs: [unit-tests]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v5
       - run: pip install coveralls
       - run: coveralls --service=github --finish
         env:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8d7f392..ad81251 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,7 +7,7 @@ exclude: |
   )
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v5.0.0
     hooks:
       - id: check-ast
       - id: trailing-whitespace
@@ -46,7 +46,7 @@ repos:
       # - id: double-quote-string-fixer
 
   - repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.8.0
+    rev: v1.10.0
     hooks:
       - id: python-check-blanket-noqa
       - id: python-check-mock-methods
@@ -59,7 +59,7 @@ repos:
       - id: text-unicode-replacement-char
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.8.0
+    rev: 6.0.1
     hooks:
       - id: isort
         name: isort-source-code
diff --git a/looptime/loops.py b/looptime/loops.py
index 21d763d..fe4a6d2 100644
--- a/looptime/loops.py
+++ b/looptime/loops.py
@@ -96,7 +96,7 @@ def setup_looptime(
     def time(self) -> float:
         return self.__int2time(self.__now)
 
-    def run_in_executor(self, executor: Any, func: Any, *args: Any) -> AnyFuture:
+    def run_in_executor(self, executor: Any, func: Any, *args: Any) -> AnyFuture:  # type: ignore
         future = super().run_in_executor(executor, func, *args)
         if isinstance(future, asyncio.Future):
             self.__sync_futures.add(future)
diff --git a/looptime/math.py b/looptime/math.py
index 40831ef..6ac3b13 100644
--- a/looptime/math.py
+++ b/looptime/math.py
@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import abc
+from typing import Any
 
 
 class Numeric(metaclass=abc.ABCMeta):
@@ -108,5 +109,6 @@ def __mod__(self, other: object) -> float:
         else:
             return NotImplemented
 
-    def __pow__(self, power: float, modulo: None = None) -> float:
+    # See the StdLib's comments on pow() on why it is Any, not float.
+    def __pow__(self, power: float, modulo: None = None) -> Any:
         return pow(round(self._value * self.__rr), power, modulo) / pow(self.__rr, power, modulo)
diff --git a/looptime/plugin.py b/looptime/plugin.py
index e825340..6b6405a 100644
--- a/looptime/plugin.py
+++ b/looptime/plugin.py
@@ -8,7 +8,7 @@
 from looptime import loops, patchers
 
 
-@pytest.hookimpl(hookwrapper=True)  # type: ignore
+@pytest.hookimpl(hookwrapper=True)
 def pytest_fixture_setup(fixturedef: Any, request: Any) -> Any:
     if fixturedef.argname == "event_loop":
         result = yield
diff --git a/requirements.txt b/requirements.txt
index 8b2f6e4..ec4f742 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,10 +6,9 @@ codecov
 coverage
 coveralls
 isort
-# Mypy requires typed-ast, which is broken on PyPy 3.7 (could work in PyPy 3.8).
-mypy==0.920; implementation_name == "cpython"
+mypy==1.16.0
 pre-commit
 pytest
-pytest-asyncio
+pytest-asyncio<1.0.0
 pytest-cov
 pytest-mock
diff --git a/setup.py b/setup.py
index c60e8a9..b459ccd 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
         ]
     },
 
-    python_requires='>=3.7',
+    python_requires='>=3.9',
     setup_requires=[
         'setuptools_scm',
     ],