diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 19784bca..db6484d6 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 34c95d46..b5754a6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/.github/workflows/collab.yml b/.github/workflows/collab.yml
index 069deda1..114f292e 100644
--- a/.github/workflows/collab.yml
+++ b/.github/workflows/collab.yml
@@ -7,7 +7,7 @@ jobs:
     container:
       image: us-docker.pkg.dev/colab-images/public/runtime:latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Check for dockerenv file
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index 09de4506..940bfd62 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       # Checkout the live site (html)
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: gh-pages
       - name: Link Checker
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 010ae327..2a5e2ae7 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with: