diff --git a/.github/workflows/merge-pytest.yml b/.github/workflows/merge-pytest.yml
index 412a8d8ed..69c485c8e 100644
--- a/.github/workflows/merge-pytest.yml
+++ b/.github/workflows/merge-pytest.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup conda
       uses: s-weigand/setup-conda@v1
       with:
@@ -42,7 +42,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-     - uses: actions/checkout@v3
+     - uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
@@ -70,7 +70,7 @@ jobs:
         python-version: ['3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Set up Python ${{ matrix.python-version }}
@@ -101,7 +101,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/merge-typing.yml b/.github/workflows/merge-typing.yml
index ec08d9262..ad2a0e7f9 100644
--- a/.github/workflows/merge-typing.yml
+++ b/.github/workflows/merge-typing.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/pr-linter.yml b/.github/workflows/pr-linter.yml
index fbb1469f0..ec25bca4a 100644
--- a/.github/workflows/pr-linter.yml
+++ b/.github/workflows/pr-linter.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/pr-pytest-apps.yml b/.github/workflows/pr-pytest-apps.yml
index 69f650b74..877cf4364 100644
--- a/.github/workflows/pr-pytest-apps.yml
+++ b/.github/workflows/pr-pytest-apps.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Set up Python ${{ matrix.python-version }}
@@ -43,7 +43,7 @@ jobs:
   #       python-version: ['3.9']
   #
   #   steps:
-  #   - uses: actions/checkout@v3
+  #   - uses: actions/checkout@v4
   #     with:
   #       fetch-depth: 2
   #   - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/pr-pytest.yml b/.github/workflows/pr-pytest.yml
index 8545e4ff0..d35cbfc25 100644
--- a/.github/workflows/pr-pytest.yml
+++ b/.github/workflows/pr-pytest.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup conda
       uses: s-weigand/setup-conda@v1
       with:
@@ -42,7 +42,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-     - uses: actions/checkout@v3
+     - uses: actions/checkout@v4
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
@@ -70,7 +70,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Set up Python ${{ matrix.python-version }}
@@ -101,7 +101,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/pr-typing.yml b/.github/workflows/pr-typing.yml
index c72f564a3..64e51c5a9 100644
--- a/.github/workflows/pr-typing.yml
+++ b/.github/workflows/pr-typing.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/publish-pypi-deploy.yml b/.github/workflows/publish-pypi-deploy.yml
index 71e61e565..b650b222a 100644
--- a/.github/workflows/publish-pypi-deploy.yml
+++ b/.github/workflows/publish-pypi-deploy.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4