diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index da9d83b..cb06f2d 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -8,7 +8,7 @@ jobs:
   cache:
     runs-on: "runs-on=${{ github.run_id }}/family=g4dn.2xlarge/image=quantecon-ubuntu24/disk=large"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Upgrade CUDANN
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72aed2c..7273cf1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   preview:
     runs-on: "runs-on=${{ github.run_id }}/family=g4dn.2xlarge/image=quantecon-ubuntu24/disk=large"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Upgrade CUDANN
diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index 2a8b890..3bb6da3 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -7,7 +7,7 @@ jobs:
       image: docker://us-docker.pkg.dev/colab-images/public/runtime
       options: --gpus all
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Check nvidia drivers
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index bfc9bab..c6a3899 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: "runs-on=${{ github.run_id }}/family=g4dn.2xlarge/image=quantecon-ubuntu24/disk=large"
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Upgrade CUDANN
         shell: bash -l {0}
         run: |