diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fecd97885..b83380aec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       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
       - uses: actions/setup-python@v7
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 46742cbae..8d16f9979 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -41,14 +41,6 @@ on:
       python-version:
         description: 'Specify the Python version to use for running tests. Leave empty to use the default Python version configured in the environment'
         required: false
-      run-eol-python-version:
-        description: 'Indicates whether to run tests using an End-of-Life (EOL) Python version. Defaults to "false". Choose "true" to include tests for deprecated Python versions'
-        required: false
-        default: 'false'
-        type: choice
-        options:
-          - 'true'
-          - 'false'
       test_report_upload:
         description: 'Indicates whether to upload the test report to object storage. Defaults to "false"'
         type: choice
@@ -63,8 +55,7 @@ on:
       - dev
 
 env:
-  DEFAULT_PYTHON_VERSION: "3.13"
-  EOL_PYTHON_VERSION: "3.10"
+  DEFAULT_PYTHON_VERSION: "3.11"
   EXIT_STATUS: 0
 
 jobs:
@@ -89,7 +80,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v7
         with:
-          python-version: ${{ inputs.run-eol-python-version == 'true' && env.EOL_PYTHON_VERSION || inputs.python-version || env.DEFAULT_PYTHON_VERSION }}
+          python-version: ${{ inputs.python-version || env.DEFAULT_PYTHON_VERSION }}
 
       - name: Install Python deps
         run: pip install -U setuptools wheel boto3 certifi
diff --git a/.github/workflows/release-cross-repo-test.yml b/.github/workflows/release-cross-repo-test.yml
index be2eaba68..8a57205bb 100644
--- a/.github/workflows/release-cross-repo-test.yml
+++ b/.github/workflows/release-cross-repo-test.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v7
         with:
-          python-version: '3.10'
+          python-version: '3.13'
 
       - name: Checkout ansible repo
         uses: actions/checkout@v7
diff --git a/AGENTS.md b/AGENTS.md
index 20f924d80..e9192dc6e 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -3,7 +3,7 @@
 ## Source of Truth
 
 - This is the official synchronous Python SDK for the Linode API. Supported
-  Python versions come from [pyproject.toml](pyproject.toml) (`>=3.10`).
+  Python versions come from [pyproject.toml](pyproject.toml) (`>=3.11`).
 - Make changes only in canonical source trees such as `linode_api4/`, `test/`,
   `docs/`, `examples/`, and `.github/`. Do not edit generated copies or output in
   `build/`, `dist/`, `docs/build/`, `docs/_build/`, or `linode_api4.egg-info/`.
diff --git a/linode_api4/groups/linode.py b/linode_api4/groups/linode.py
index 07254fb3d..1b4060931 100644
--- a/linode_api4/groups/linode.py
+++ b/linode_api4/groups/linode.py
@@ -97,7 +97,6 @@ def stackscripts(self, *filters, **kwargs):
         :returns: A list of StackScripts matching the query.
         :rtype: PaginatedList of StackScript
         """
-        # python2 can't handle *args and a single keyword argument, so this is a workaround
         if "mine_only" in kwargs:
             if kwargs["mine_only"]:
                 new_filter = Filter({"mine": True})
diff --git a/linode_api4/login_client.py b/linode_api4/login_client.py
index 8b8fe69c3..b671d1724 100644
--- a/linode_api4/login_client.py
+++ b/linode_api4/login_client.py
@@ -1,18 +1,12 @@
 import re
 from datetime import datetime, timedelta
 from enum import Enum
+from urllib.parse import urlencode, urlparse, urlunparse
 
 import requests
 
 from linode_api4.errors import ApiError
 
-try:
-    from urllib.parse import urlencode, urlparse, urlunparse
-except ImportError:
-    from urllib import urlencode
-
-    from urlparse import urlparse, urlunparse
-
 
 class AllWrapper:
     def __repr__(self):
diff --git a/linode_api4/objects/account.py b/linode_api4/objects/account.py
index a4aca1848..9b61b448b 100644
--- a/linode_api4/objects/account.py
+++ b/linode_api4/objects/account.py
@@ -494,7 +494,6 @@ def set_thumbnail(self, thumbnail):
             "Content-type": "image/png",
         }
 
-        # TODO this check needs to be smarter - python2 doesn't do it right
         if not isinstance(thumbnail, bytes):
             with open(thumbnail, "rb") as f:
                 thumbnail = f.read()
diff --git a/linode_api4/objects/linode.py b/linode_api4/objects/linode.py
index 78bc0710a..f2249213e 100644
--- a/linode_api4/objects/linode.py
+++ b/linode_api4/objects/linode.py
@@ -2,7 +2,6 @@
 
 import copy
 import string
-import sys
 import warnings
 from dataclasses import dataclass, field
 from datetime import datetime
@@ -1292,15 +1291,10 @@ def resize(
 
     @staticmethod
     def generate_root_password():
-        def _func(value):
-            if sys.version_info[0] < 3:
-                value = int(value.encode("hex"), 16)
-            return value
-
         password = "".join(
             [
-                PASSWORD_CHARS[_func(c) % len(PASSWORD_CHARS)]
-                for c in urandom(randint(50, 110))
+                PASSWORD_CHARS[value % len(PASSWORD_CHARS)]
+                for value in urandom(randint(50, 110))
             ]
         )
 
diff --git a/linode_api4/objects/serializable.py b/linode_api4/objects/serializable.py
index c1f59f6d4..55a2d6fba 100644
--- a/linode_api4/objects/serializable.py
+++ b/linode_api4/objects/serializable.py
@@ -272,9 +272,6 @@ class StrEnum(str, Enum):
     """
     Used for enums that are of type string, which is necessary
     for implicit JSON serialization.
-
-    NOTE: Replace this with StrEnum once Python 3.10 has been EOL'd.
-    See: https://docs.python.org/3/library/enum.html#enum.StrEnum
     """
 
     def __new__(cls, *values):
diff --git a/pyproject.toml b/pyproject.toml
index e4e641aa7..a7008fea0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ name = "linode_api4"
 authors = [{ name = "Linode", email = "devs@linode.com" }]
 description = "The official Python SDK for Linode API v4"
 readme = "README.rst"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 keywords = [
     "akamai",
     "Akamai Connected Cloud",
@@ -25,11 +25,11 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python",
     "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",
 ]
 dependencies = ["requests", "polling", "deprecated"]
 dynamic = ["version"]
@@ -49,7 +49,7 @@ int-test = [
     "cryptography",
 ]
 lint = [
-    "black>=23.1.0",
+    "black>=26.10.1",
     "isort>=5.12.0",
     "autoflake>=2.0.1",
     "pylint",
@@ -85,7 +85,7 @@ line_length = 80
 
 [tool.black]
 line-length = 80
-target-version = ["py310", "py311", "py312", "py313", "py314"]
+target-version = ["py311", "py312", "py313", "py314", "py315"]
 
 [tool.autoflake]
 expand-star-imports = true