diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2345ef63a..a1a724f59 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,8 +15,8 @@ jobs:
     strategy:
       matrix:
         include:
-          - python-version: "3.13.0-alpha.6"
-            with-opt-deps: false  # https://github.com/pyca/cryptography/issues/10806
+          - python-version: "3.13.0"
+            with-opt-deps: true
             runs-on: ubuntu-22.04
 
           - python-version: "3.12.0"
diff --git a/setup.py b/setup.py
index 8f3b8f3c7..888cde1ef 100644
--- a/setup.py
+++ b/setup.py
@@ -208,6 +208,7 @@ def normalizeWhitespace(s):
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
         'Topic :: Communications :: Chat :: Internet Relay Chat',
         'Topic :: Software Development :: Libraries :: Python Modules',
         ],