diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7d81477..d724ece 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,10 +19,10 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.16.5
+        run: python -m pip install cibuildwheel==2.21.3
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
@@ -40,10 +40,13 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: "3.11"
+          python-version: "3.12"
+
+      - name: Install build
+        run: python -m pip install build==1.2.2.post1
 
       - name: Build sdist
-        run: python setup.py sdist
+        run: python -m build --sdist
 
       - uses: actions/upload-artifact@v3
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ae52e35..4a0fb18 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: [3.9, "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/CHANGELOG b/CHANGELOG
index 2edbe65..5514284 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+## Unreleased
+
+- Drop support for Python 3.8; declare support for Python 3.13
+
 ## 1.10.1
 
 * Add minimum version requirement (Python 3.8) to metadata
diff --git a/pyproject.toml b/pyproject.toml
index 5f9dc9a..6e099a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,12 +1,11 @@
 [project]
 name = "qcore"
 version = "1.10.1"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 keywords = ["quora", "core", "common", "utility"]
 classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -20,7 +19,7 @@ license = {text = "Apache Software License"}
 dynamic = ["readme"]
 
 [tool.black]
-target_version = ['py37', 'py38', 'py39', 'py310', 'py311']
+target-version = ['py39', 'py310', 'py311', 'py312', 'py313']
 include = '\.pyi?$'
 skip-magic-trailing-comma = true
 preview = true
@@ -36,7 +35,7 @@ exclude = '''
 '''
 
 [tool.mypy]
-python_version = "3.7"
+python_version = "3.9"
 warn_unused_configs = true
 
 [[tool.mypy.overrides]]
@@ -48,4 +47,4 @@ requires = ["setuptools>=64.0", "cython>=3"]
 build-backend = "setuptools.build_meta"
 
 [tool.cibuildwheel]
-build = "cp{38,39,310,311,312}-*"
+build = "cp{39,310,311,312,313}-*"
diff --git a/requirements.txt b/requirements.txt
index c50590b..d14f9ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-pytest==7.4.0
-mypy==1.8.0
-black==24.3.0
+pytest==8.3.3
+mypy==1.11.2
+black==24.10.0
diff --git a/tox.ini b/tox.ini
index a90d541..72b5fa5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
 minversion=2.3.1
 envlist =
-    py38,py39,py310,py311,py312,py313
+    py39,py310,py311,py312,py313
     mypy
     black
 skip_missing_interpreters = True
@@ -14,7 +14,7 @@ commands =
     python -X dev -Werror -m pytest qcore
 
 [testenv:mypy]
-basepython = python3.8
+basepython = python3.9
 deps =
     -rrequirements.txt
 
@@ -27,8 +27,7 @@ commands =
 
 [gh-actions]
 python =
-    3.8: py38, mypy
-    3.9: py39
+    3.9: py39, mypy
     3.10: py310
     3.11: py311
     3.12: py312, black