diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 50a8714c..c4f10faa 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -29,13 +29,13 @@ jobs:
             python: "3.7"
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python ${{ matrix.config.python }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.config.python }}
       - name: Set up Pip cache (Linux)
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         if: startsWith(runner.os, 'Linux')
         with:
           path: ~/.cache/pip
@@ -43,7 +43,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
       - name: Set up Pip cache (macOS)
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         if: startsWith(runner.os, 'macOS')
         with:
           path: ~/Library/Caches/pip
@@ -51,7 +51,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
       - name: Setup pip cache (Windows)
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         if: startsWith(runner.os, 'Windows')
         with:
           path: ~\AppData\Local\pip\Cache
@@ -62,7 +62,7 @@ jobs:
         if: startsWith(runner.os, 'Linux')
         run: sudo locale-gen fr_FR.UTF-8 tr_TR.UTF-8
       - name: Install pandoc
-        uses: r-lib/actions/setup-pandoc@v1
+        uses: r-lib/actions/setup-pandoc@v2
         with:
           pandoc-version: "2.9.2"
       - name: Install tox
@@ -82,13 +82,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: "3.7"
+          python-version: "3.9"
       - name: Set pip cache (Linux)
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         if: startsWith(runner.os, 'Linux')
         with:
           path: ~/.cache/pip
@@ -106,13 +106,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: "3.7"
+          python-version: "3.9"
       - name: Set pip cache (Linux)
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         if: startsWith(runner.os, 'Linux')
         with:
           path: ~/.cache/pip
@@ -132,11 +132,11 @@ jobs:
     if: ${{ github.ref=='refs/heads/master' && github.event_name!='pull_request' }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: "3.7"
+          python-version: "3.9"
       - name: Check release
         id: check_release
         run: |
@@ -144,9 +144,10 @@ jobs:
           pip install poetry
           pip install githubrelease
           pip install --pre autopub
-          echo "##[set-output name=release;]$(autopub check)"
+          autopub check
+        continue-on-error: true
       - name: Publish
-        if: ${{ steps.check_release.outputs.release=='' }}
+        if: steps.check_release.outcome=='success'
         env:
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
           PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
diff --git a/requirements/style.pip b/requirements/style.pip
index fe4c25c4..90225d01 100644
--- a/requirements/style.pip
+++ b/requirements/style.pip
@@ -1,2 +1,2 @@
-flake8<4.0
+flake8
 flake8-import-order
diff --git a/tox.ini b/tox.ini
index 4bceced8..a3be7529 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ commands =
     pytest -s --cov=pelican pelican
 
 [testenv:docs]
-basepython = python3.7
+basepython = python3.9
 deps =
     -rrequirements/docs.pip
 changedir = docs
@@ -36,7 +36,8 @@ import-order-style = cryptography
 max-line-length = 88
 
 [testenv:flake8]
-basepython = python3.7
+basepython = python3.9
+skip_install = true
 deps =
     -rrequirements/style.pip
 commands =