diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 67c263e..733cf9b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,6 +17,7 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
+          - '3.13'
 
     steps:
       - uses: actions/checkout@master
@@ -44,16 +45,17 @@ jobs:
           - '3.10'
           - '3.11'
           - '3.12'
+          - '3.13'
         implementation:
           - ''      # CPython
           - 'pypy'  # PyPy
         exclude:    # unreleased;
-          - implementation: 'pypy'
-            python-version: '3.10'
           - implementation: 'pypy'
             python-version: '3.11'
           - implementation: 'pypy'
             python-version: '3.12'
+          - implementation: 'pypy'
+            python-version: '3.13'
 
     steps:
       - uses: actions/checkout@master