diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3f6a11d..d7ea360 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,13 +22,15 @@ jobs:
         - '3.10'
         - '3.11'
         - '3.12'
+        - '3.13'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - name: Install dependencies
       run: |
@@ -53,9 +55,9 @@ jobs:
     runs-on: ubuntu-20.04
     needs: tests
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 
diff --git a/tox.ini b/tox.ini
index de3ecac..6ec9b41 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 # These should match the GitHub Actions env list
-envlist = py27,py37,py38,py39,py310,py311,py312
+envlist = py37,py38,py39,py310,py311,py312,py313
 
 [testenv]
 install_command = pip install {opts} {packages}