diff --git a/.github/workflows/preview_build.yml b/.github/workflows/preview_build.yml
index 68ca5f08..f0fc11a9 100644
--- a/.github/workflows/preview_build.yml
+++ b/.github/workflows/preview_build.yml
@@ -31,7 +31,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.PREVIEW_GITHUB_TOKEN }}
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.event.client_payload.sha }}
 
@@ -41,7 +41,7 @@ jobs:
         git checkout -b ${name}
 
     - name: Setup cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: /emsdk/upstream/emscripten/cache
         key: 3.1.28-${{ runner.os }}
diff --git a/.github/workflows/preview_label.yml b/.github/workflows/preview_label.yml
index 503d4e53..e21a9178 100644
--- a/.github/workflows/preview_label.yml
+++ b/.github/workflows/preview_label.yml
@@ -59,7 +59,7 @@ jobs:
 
     - if: steps.core_developer.outcome == 'success'
       name: Trigger 'preview build'
-      uses: peter-evans/repository-dispatch@v2
+      uses: peter-evans/repository-dispatch@v3
       with:
         token: ${{ secrets.PREVIEW_GITHUB_TOKEN }}
         event-type: "Preview build #${{ github.event.number }}"
diff --git a/.github/workflows/preview_push.yml b/.github/workflows/preview_push.yml
index 3868c16f..f01069f7 100644
--- a/.github/workflows/preview_push.yml
+++ b/.github/workflows/preview_push.yml
@@ -59,7 +59,7 @@ jobs:
 
     - if: toJson(fromJson(steps.earlier_preview.outputs.data)) != '[]' && contains(fromJson(steps.preview_label.outputs.data).*.name, 'preview')
       name: Trigger 'preview build'
-      uses: peter-evans/repository-dispatch@v2
+      uses: peter-evans/repository-dispatch@v3
       with:
         token: ${{ secrets.PREVIEW_GITHUB_TOKEN }}
         event-type: "Preview build #${{ github.event.number }}"
diff --git a/.github/workflows/upload-aws.yml b/.github/workflows/upload-aws.yml
index 72319ad5..754b1e9a 100644
--- a/.github/workflows/upload-aws.yml
+++ b/.github/workflows/upload-aws.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Download all bundles
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
 
     - name: Calculate checksums
       run: |
@@ -68,7 +68,7 @@ jobs:
         AWS_DEFAULT_REGION: ${{ secrets.AWS_REGION }}
 
     - name: Trigger 'New OpenTTD release'
-      uses: peter-evans/repository-dispatch@v2
+      uses: peter-evans/repository-dispatch@v3
       with:
         token: ${{ secrets.DEPLOYMENT_TOKEN }}
         repository: OpenTTD/workflows