diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index f73241f..8a5e2a8 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -20,5 +20,5 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-python@v7
         with:
-          python-version: 3.14
+          python-version: 3.15
       - uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index f5d1af1..befa85b 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.10", 3.11, 3.12, 3.13, 3.14]
+        python-version: [3.11, 3.12, 3.13, 3.14, 3.15]
 
     steps:
       - uses: actions/checkout@v7
diff --git a/setup.py b/setup.py
index 8b8ecfa..c1ac388 100644
--- a/setup.py
+++ b/setup.py
@@ -25,18 +25,18 @@
     entry_points={"console_scripts": ["hashin = hashin:main"]},
     url="https://github.com/peterbe/hashin",
     include_package_data=True,
-    python_requires=">=3.10",
+    python_requires=">=3.11",
     install_requires=["packaging", "pip"],
     extras_require={"dev": ["tox", "twine"], "tests": ["pytest"]},
     classifiers=[
         "Intended Audience :: Developers",
         "Intended Audience :: System Administrators",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3.14",
+        "Programming Language :: Python :: 3.15",
         "Programming Language :: Python :: 3 :: Only",
         "Topic :: Software Development :: Build Tools",
         "Topic :: System :: Installation/Setup",
diff --git a/tox.ini b/tox.ini
index 80dc8fa..0305d1b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,13 @@
 [tox]
-envlist = py{310,311,312,313,314}, lint
+envlist = py{311,312,313,314,315}, lint
 
 [gh-actions]
 python =
-  3.10: py310
   3.11: py311
   3.12: py312
   3.13: py313
-  3.14: py314, lint
+  3.14: py314
+  3.15: py315, lint
 
 [testenv]
 usedevelop = True