diff --git a/.github/workflows/commit-checker.yml b/.github/workflows/commit-checker.yml
index 3739cc1..f3266b4 100644
--- a/.github/workflows/commit-checker.yml
+++ b/.github/workflows/commit-checker.yml
@@ -10,12 +10,12 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 4
 
     - name: Get pull-request commits
-      uses: OpenTTD/actions/checkout-pull-request@v5
+      uses: OpenTTD/actions/checkout-pull-request@v6
 
     - name: Check commits
       uses: OpenTTD/OpenTTD-git-hooks@main
diff --git a/.github/workflows/new_comment.yml b/.github/workflows/new_comment.yml
index 5183ef0..2a8810e 100644
--- a/.github/workflows/new_comment.yml
+++ b/.github/workflows/new_comment.yml
@@ -13,9 +13,9 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Set up Python 3.8
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.8
         cache: 'pip'
diff --git a/.github/workflows/new_issue.yml b/.github/workflows/new_issue.yml
index 62da3a6..d5e11fa 100644
--- a/.github/workflows/new_issue.yml
+++ b/.github/workflows/new_issue.yml
@@ -13,9 +13,9 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Set up Python 3.8
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.8
         cache: 'pip'
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index fdbc307..4c86edd 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Flake8
       uses: TrueBrain/actions-flake8@v2
       with:
@@ -25,9 +25,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Set up Python 3.8
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3.8
     - name: Black
@@ -48,4 +48,4 @@ jobs:
 
     steps:
     - name: Check annotations
-      uses: OpenTTD/actions/annotation-check@v5
+      uses: OpenTTD/actions/annotation-check@v6