diff --git a/.github/workflows/commit-checker.yml b/.github/workflows/commit-checker.yml
index 91fc54b..511e6f3 100644
--- a/.github/workflows/commit-checker.yml
+++ b/.github/workflows/commit-checker.yml
@@ -10,12 +10,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 4
 
     - name: Get pull-request commits
-      uses: OpenTTD/actions/checkout-pull-request@v2
+      uses: OpenTTD/actions/checkout-pull-request@v5
 
     - name: Check commits
       uses: OpenTTD/OpenTTD-git-hooks@main
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c5cfc0c..e3f1bd4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,17 +10,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
     - name: Checkout tags
-      uses: openttd/actions/checkout@v3
+      uses: openttd/actions/checkout@v5
       with:
         with-tags: true
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.8'
 
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 5bb9d1c..84f44d7 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -14,27 +14,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python 3.8
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
     - name: Install dependencies
       run: python -m pip install -e .
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@v3
       with:
         languages: python
         queries: security-and-quality
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@v3
 
   flake8:
     name: Flake8
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Flake8
       uses: TrueBrain/actions-flake8@v2
       with:
@@ -45,9 +45,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python 3.8
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
     - name: Black
@@ -61,9 +61,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python 3.8
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
     - name: Set up packages
@@ -89,4 +89,4 @@ jobs:
 
     steps:
     - name: Check annotations
-      uses: OpenTTD/actions/annotation-check@v3
+      uses: OpenTTD/actions/annotation-check@v5