diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index a500eeb29..88efa2e80 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/docs-test.yml b/.github/workflows/docs-test.yml
index b4aff586e..532597710 100644
--- a/.github/workflows/docs-test.yml
+++ b/.github/workflows/docs-test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Install pandoc and doxygen
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index d198955e6..e868e5b9d 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 9cd96b6ef..701197ceb 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Install pandoc and doxygen
diff --git a/.github/workflows/isort.yml b/.github/workflows/isort.yml
index 54732b778..584332685 100644
--- a/.github/workflows/isort.yml
+++ b/.github/workflows/isort.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python 3.11
         uses: actions/setup-python@v5
diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index 6b675995d..a04fc628d 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python 3.11
         uses: actions/setup-python@v5
diff --git a/.github/workflows/pytest-mac.yml b/.github/workflows/pytest-mac.yml
index 8593c5e3a..a69468a03 100644
--- a/.github/workflows/pytest-mac.yml
+++ b/.github/workflows/pytest-mac.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.11", "3.12"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index fa57abd14..c33d38311 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/regtest.yml b/.github/workflows/regtest.yml
index 03f4a6aae..000ae4457 100644
--- a/.github/workflows/regtest.yml
+++ b/.github/workflows/regtest.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5