diff --git a/.github/workflows/python-ci-tests.yml b/.github/workflows/python-ci-tests.yml
index d03a766..9f62c9e 100644
--- a/.github/workflows/python-ci-tests.yml
+++ b/.github/workflows/python-ci-tests.yml
@@ -10,16 +10,16 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
         exclude:
-          - os: windows-latest
-            python-version: '3.8'
-          - os: windows-latest
-            python-version: '3.9'
           - os: windows-latest
             python-version: '3.10'
           - os: windows-latest
             python-version: '3.11'
+          - os: windows-latest
+            python-version: '3.12'
+          - os: windows-latest
+            python-version: '3.13'
 
     name: Python ${{ matrix.python-version }} Build
     steps:
diff --git a/setup.cfg b/setup.cfg
index 86c0b9d..8bf0e86 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.2.0
+current_version = 3.2.1
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index ec25d30..156ebac 100644
--- a/setup.py
+++ b/setup.py
@@ -35,6 +35,7 @@ def get_version():
     url="https://github.com/oasis-open/cti-stix-validator",
     author='OASIS Cyber Threat Intelligence Technical Committee',
     author_email='cti-users@lists.oasis-open.org',
+    python_requires=">=3.10",
     maintainer='Chris Lenk',
     maintainer_email='clenk@mitre.org',
     classifiers=[
@@ -42,11 +43,11 @@ def get_version():
         'Topic :: Security',
         'License :: OSI Approved :: BSD License',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
-        'Programming Language :: Python :: 3.12'
+        'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14'
     ],
     keywords="stix stix2 json validation validator stix-validator stix2-validator",
     project_urls={
diff --git a/stix2validator/version.py b/stix2validator/version.py
index 1173108..1da6a55 100644
--- a/stix2validator/version.py
+++ b/stix2validator/version.py
@@ -1 +1 @@
-__version__ = "3.2.0"
+__version__ = "3.2.1"
diff --git a/tox.ini b/tox.ini
index 4c92584..47211fd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,py312,packaging,pre-commit-check
+envlist = py310,py311,py312,py313,py314,packaging,pre-commit-check
 
 [testenv]
 deps =
@@ -33,8 +33,8 @@ addopts = --ignore local/
 
 [gh-actions]
 python =
-  3.8: py38
-  3.9: py39
   3.10: py310
-  3.11: py311, packaging, pre-commit-check
+  3.11: py311
   3.12: py312
+  3.13: py313
+  3.14: py314, packaging, pre-commit-check