diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index 7eae170a2..eb9e955fc 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c29a08c25..cd646522d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,7 @@ jobs:
             python: "3.9"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v4
         with:
@@ -52,10 +52,10 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: pdm-project/setup-pdm@v3
         with:
-          python-version: 3.9
+          python-version: "3.11"
           cache: true
           cache-dependency-path: ./pyproject.toml
       - name: Install dependencies
@@ -70,10 +70,10 @@ jobs:
     name: Test build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: pdm-project/setup-pdm@v3
         with:
-          python-version: 3.9
+          python-version: "3.11"
           cache: true
           cache-dependency-path: ./pyproject.toml
       - name: Install dependencies
@@ -88,11 +88,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.11"
           cache: "pip"
           cache-dependency-path: "**/requirements/*"
       - name: Install tox
@@ -117,14 +117,14 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           token: ${{ secrets.GH_TOKEN }}
 
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.9"
+          python-version: "3.11"
 
       - name: Check release
         id: check_release
diff --git a/tox.ini b/tox.ini
index f6f45af15..61e8908a3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{3.8,3.9,3.10,3.11.3.12},docs
+envlist = py{3.8,3.9,3.10,3.11,3.12},docs
 
 [testenv]
 basepython =
@@ -18,7 +18,7 @@ commands =
     pytest -s --cov=pelican pelican
 
 [testenv:docs]
-basepython = python3.9
+basepython = python3.11
 deps =
     -rrequirements/docs.pip
 changedir = docs