diff --git a/.github/workflows/commit-checker.yml b/.github/workflows/commit-checker.yml
index f3266b41..fb66058c 100644
--- a/.github/workflows/commit-checker.yml
+++ b/.github/workflows/commit-checker.yml
@@ -10,12 +10,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         fetch-depth: 4
 
     - name: Get pull-request commits
-      uses: OpenTTD/actions/checkout-pull-request@v6
+      uses: OpenTTD/actions/checkout-pull-request@v7
 
     - name: Check commits
       uses: OpenTTD/OpenTTD-git-hooks@main
diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index d8417287..b47df4d2 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -25,7 +25,7 @@ jobs:
             python-version: pypy3.10
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         fetch-depth: 2
 
@@ -35,7 +35,7 @@ jobs:
         git fetch --depth=1 origin +refs/tags/*:refs/tags/*
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 80f202aa..2ac3dd45 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,10 +14,10 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-latest, macos-15-intel]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.4.0
+        uses: pypa/cibuildwheel@v4.2.0
 
       - uses: actions/upload-artifact@v7
         with:
@@ -28,7 +28,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Build sdist
         run: pipx run build --sdist
@@ -74,10 +74,10 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
         cache: 'pip'
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index fbf49b8b..715dec15 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -14,9 +14,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.x
     - name: Install dependencies
@@ -38,10 +38,10 @@ jobs:
         os: [ubuntu-latest, macOS-latest, windows-latest]
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Set up Python
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: '3.x'
         cache: 'pip'
@@ -61,7 +61,7 @@ jobs:
 
   flake8:
     name: Flake8
-    uses: OpenTTD/actions/.github/workflows/rw-py-flake8.yml@v6
+    uses: OpenTTD/actions/.github/workflows/rw-py-flake8.yml@v7
     with:
       python-path: nml
 
@@ -70,9 +70,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
     - name: Set up Python 3.x
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v7
       with:
         python-version: 3.x
     - name: Black