diff --git a/.github/workflows/docs-test.yml b/.github/workflows/docs-test.yml
index 855f04fc9..a2fb37cb4 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@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Install pandoc and doxygen
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index 3b0ac8aa1..e184e05e6 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 43993e55e..0f8c8279d 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@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Install pandoc and doxygen
diff --git a/.github/workflows/isort.yml b/.github/workflows/isort.yml
index c832082df..3aa99ab18 100644
--- a/.github/workflows/isort.yml
+++ b/.github/workflows/isort.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python 3.10
         uses: actions/setup-python@v4
diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index d14d8b6b4..81ac9f28e 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python 3.10
         uses: actions/setup-python@v4
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 288b9a2cc..b0b80d0bf 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
diff --git a/.github/workflows/regtest.yml b/.github/workflows/regtest.yml
index 98335df9d..50962883d 100644
--- a/.github/workflows/regtest.yml
+++ b/.github/workflows/regtest.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4