diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index f471ac37..8b0f8d1c 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -8,7 +8,7 @@ jobs:
   cache:
     runs-on: ubuntu-latest
     steps:
-      - 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 6a7f36e6..18a2cdae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   preview:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:
diff --git a/.github/workflows/execution-linux.yml b/.github/workflows/execution-linux.yml
index 2ae72f73..fe631710 100644
--- a/.github/workflows/execution-linux.yml
+++ b/.github/workflows/execution-linux.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.13"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
diff --git a/.github/workflows/execution-osx.yml b/.github/workflows/execution-osx.yml
index b3df8203..5962bd7c 100644
--- a/.github/workflows/execution-osx.yml
+++ b/.github/workflows/execution-osx.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.13"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
diff --git a/.github/workflows/execution-win.yml b/.github/workflows/execution-win.yml
index f0bf9d34..bdedde17 100644
--- a/.github/workflows/execution-win.yml
+++ b/.github/workflows/execution-win.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ["3.13"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - uses: conda-incubator/setup-miniconda@v3
         with:
           auto-update-conda: true
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index cada059f..9cadfde1 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 88f354ce..656d32bd 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: