diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 964799d0..37527351 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,7 +53,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.12
+          python-version: 3.11
       - name: "Install dependencies"
         run: |
           set -xe
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8f5c903e..96786ab9 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,8 +1,8 @@
 # Pin packages for RTD builds
 # https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html#pinning-dependencies
 #-r ../requirements.txt
-Sphinx>=3.5.4
-furo>=2021.4.11b34
-myst-parser>=0.13.7
-moto>=2.0.5
-sphinx-copybutton>=0.3.1
+Sphinx>=7.2.6
+furo>=2023.9.10
+myst-parser>=2.0.0
+moto>=4.2.8
+sphinx-copybutton>=0.5.2
diff --git a/tox.ini b/tox.ini
index 3a51334d..17d1c0ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
-    3.11: py311
+    3.11: py311, docs
     3.12: py312, dist
 
 # Manifest
@@ -55,10 +55,10 @@ basepython =
     py310: python3.10
     py311: python3.11
     py312: python3.12
-    manifest: python3.12
+    manifest: python3.11
     dist: python3.12
-    docs: python3.12
-    binder: python3.12
+    docs: python3.11
+    binder: python3.11
 deps = .[dev]
 # Have to use /bin/bash or the `*` will cause that argument to get quoted by the tox command line...
 allowlist_externals = /bin/bash