diff --git a/.github/workflows/check-key-validity.yml b/.github/workflows/check-key-validity.yml
index fd3b58c..d5c99e7 100644
--- a/.github/workflows/check-key-validity.yml
+++ b/.github/workflows/check-key-validity.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install GPG
         run: sudo apt-get install -y gnupg
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bad68ad..b08f000 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -36,7 +36,7 @@ jobs:
       DEFAULT_NODE_MAJOR_VERSION: 20
     steps:
       - name: Check out
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # Check if federation into AWS is configured. This is necessary because
       # GitHub does not interpret ${{ secret.FOO }} within `if:` conditions...
diff --git a/.github/workflows/update-keys.yml b/.github/workflows/update-keys.yml
index 86e84e7..85e5274 100644
--- a/.github/workflows/update-keys.yml
+++ b/.github/workflows/update-keys.yml
@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Download latest Corretto key
         run: curl -L https://apt.corretto.aws/corretto.key -o superchain/gpg/corretto.asc