diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 11b73463..c5270fb5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -3,7 +3,7 @@ name: CI
 on:
   push:
     branches:
-    - aster
+    - master
   pull_request:
 
 jobs:
@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       #max-parallel: 3
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         os: [ubuntu-latest]
         EXTRA: [false]  # used to force includes to get included
         include:
@@ -24,13 +24,13 @@ jobs:
           - python-version: '3.11'
             os: macos-latest
             EXTRA: true
-          - python-version: '3.12'
+          - python-version: '3.13'
             os: macos-latest
             EXTRA: true
           - python-version: '3.7'
             os: windows-latest
             EXTRA: true
-          - python-version: '3.12'
+          - python-version: '3.13'
             os: windows-latest
             EXTRA: true
           - python-version: '3.7'
@@ -53,7 +53,7 @@ jobs:
 
       - name: Install warcio ALL
         if: ${{ ! matrix.NOTALL }}
-        run: pip install .[brotli,testing]
+        run: pip install .[all,testing]
       - name: Install warcio NOTALL
         if: ${{ matrix.NOTALL }}
         run: pip install .[testing]
diff --git a/setup.py b/setup.py
index e1d8fe4f..c39de384 100755
--- a/setup.py
+++ b/setup.py
@@ -53,6 +53,7 @@
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
         'Topic :: Software Development :: Libraries :: Python Modules',
         'Topic :: Utilities',
     ]