diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index dddf3830..f2dd87b5 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -68,7 +68,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, 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@v3
@@ -192,7 +192,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, 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@v3
@@ -260,7 +260,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, 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@v3
diff --git a/Makefile b/Makefile
index e34d9ffc..c4ed6adb 100644
--- a/Makefile
+++ b/Makefile
@@ -83,20 +83,20 @@ tox: .python-version $(RELEASE) | cache
 	tox --installpkg dist/$(WHEEL)
 
 .python-version:
-	pyenv install -s 3.8.16
-	pyenv install -s 3.9.16
-	pyenv install -s 3.10.9
-	pyenv install -s 3.11.1
-	pyenv install -s 3.12.0
-	pyenv local 3.8.16 3.9.16 3.10.9 3.11.1 3.12.0
+	pyenv install -s 3.9.20
+	pyenv install -s 3.10.15
+	pyenv install -s 3.11.10
+	pyenv install -s 3.12.7
+	pyenv install -s 3.13.0rc3
+	pyenv local 3.9.20 3.10.15 3.11.10 3.12.7 3.13.0rc3
 
 # Run tests on multiple versions of Python (Windows only)
 win-tox: .win-tox $(RELEASE) | cache
 	tox --installpkg dist/$(WHEEL)
 
 .win-tox:
-	pyenv install 3.8.7 3.9.1
-	python scripts/windows_bat.py 3.8.7 3.9.1
+	pyenv install 3.9.1
+	python scripts/windows_bat.py 3.9.1
 	touch $@
 
 # Run tests against wheel installed in virtualenv
diff --git a/docs/readme/header.rst b/docs/readme/header.rst
index 3ed55149..87f73b0d 100644
--- a/docs/readme/header.rst
+++ b/docs/readme/header.rst
@@ -4,9 +4,9 @@ application is fully supported under Linux, macOS, and Windows.
 
 This product is supported by the Cybersecurity Development team at the 
 University of Illinois, on a best-effort basis. The expected End-of-Life
-and End-of-Support date of this version is October 2028, the same as
+and End-of-Support date of this version is October 2029, the same as
 its primary dependencies: the AWS CLI and 
-`Python V3.12 <https://peps.python.org/pep-0693/#lifespan>`_.
+`Python V3.13 <https://peps.python.org/pep-0719/#lifespan>`_.
 
 .. |--| unicode:: U+2013   .. en dash
 .. contents:: Jump to:
diff --git a/pyproject.toml b/pyproject.toml
index d90110fb..ed6b903c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,13 +25,13 @@ classifiers = [
     'Intended Audience :: System Administrators',
     'License :: OSI Approved :: MIT License',
     'Natural Language :: English',
-    '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',
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 [project.urls]
 Homepage = "https://github.com/techservicesillinois/awscli-login"
diff --git a/tox.ini b/tox.ini
index e2bb7dd0..a020bc59 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,py312
+envlist = py39,py310,py311,py312,py313
 
 [testenv]
 # getpass.getuser fails on Windows if these envs are not passed in