diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 3cbf454..4a9e4b9 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_ubuntu2404/volume=80gb/spot=false"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Setup Anaconda
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b709608..faa8268 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
       pull-requests: write
       actions: read     # dawidd6/action-download-artifact reads the cache.yml build artifact
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Setup Anaconda
diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index 8870252..70e1fb1 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -11,7 +11,7 @@ jobs:
       image: docker://us-docker.pkg.dev/colab-images/public/runtime
       options: --gpus all
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Check nvidia drivers
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index a416a0c..9d66124 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.12"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0e39387..738512c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: "runs-on=${{ github.run_id }}/family=g4dn.2xlarge/image=quantecon_ubuntu2404/volume=80gb/spot=false"
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with: