diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 59bf973..c8dec2e 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-20.04, ubuntu-22.04, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
       - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index 60415e8..6185ab9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,16 +8,16 @@ authors = [{name = "NIWC Pacific"}]
 description="Statick analysis plugins for TeX/LaTeX files and projects."
 version = "0.3.5"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = {text = "CC0-1.0"}
 classifiers = [
     "License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
     "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 :: 3.13",
     "Topic :: Software Development :: Quality Assurance",
     "Topic :: Software Development :: Testing",
     "Topic :: Text Processing :: Markup :: LaTeX",
diff --git a/tox.ini b/tox.ini
index f21c33c..14ff8b9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38, py39, py310, py311, py312
+envlist = py39, py310, py311, py312, py313
 skip_missing_interpreters = true
 
 [pytest]
@@ -7,11 +7,11 @@ norecursedirs = .tox build
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312
+    3.13: py313
 
 [testenv]
 changedir = {toxinidir}/output-{envname}