diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5de84c0..27ac99bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,11 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # TODO add 3.12-dev when
-        # aiohttp, frozenlist and yarl support alpha 5+
-        # https://github.com/python/blurb_it/pull/330#issuecomment-1449496275
-        # https://github.com/python/bedevere/pull/547#issuecomment-1529153851
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4
@@ -31,6 +27,7 @@ jobs:
           cache-dependency-path: |
             requirements.txt
             dev-requirements.txt
+          allow-prereleases: true
       - name: Install tox
         run: |
           python -m pip install tox
diff --git a/requirements.txt b/requirements.txt
index fda8d384..2f4f7a87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.8.5
+aiohttp==3.9.0b0
 appdirs==1.4.4
 async-timeout==4.0.3
 cachetools==5.3.1