diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a49a81eb..6c04a134 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
       - run: echo "This job is now running on a ${{ runner.os }} server hosted by GitHub!"
       - run: echo "The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."
       - name: Check out repository code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - run: echo "The ${{ github.repository }} repository has been cloned to the runner."
       - name: pytest
         run: |
diff --git a/.github/workflows/ci_dcorelib.yml b/.github/workflows/ci_dcorelib.yml
index 2c5d3089..3a350883 100644
--- a/.github/workflows/ci_dcorelib.yml
+++ b/.github/workflows/ci_dcorelib.yml
@@ -18,7 +18,7 @@ jobs:
             #python: 3.9
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: apt
         if: ${{ runner.os == 'Linux' }}
         run: |
@@ -27,7 +27,7 @@ jobs:
       - uses: mpi4py/setup-mpi@v1
 
       - name: Set up python ${{ matrix.python }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
 
diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index a44d66f2..c2f4f1a7 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -18,18 +18,18 @@ jobs:
       uses: rlespinasse/github-slug-action@v3.x
 
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         path: main
 
     - name: Checkout gh-pages
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         ref: gh-pages
         path: gh-pages
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: 3.8
 
diff --git a/.github/workflows/examples.yml b/.github/workflows/examples.yml
index 38670793..45331838 100644
--- a/.github/workflows/examples.yml
+++ b/.github/workflows/examples.yml
@@ -22,12 +22,12 @@ jobs:
         uses: rlespinasse/github-slug-action@v3.x
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: main
     
       - name: Checkout gh-pages
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           path: gh-pages
@@ -83,4 +83,4 @@ jobs:
               echo "Nothing to deploy"
             fi
   
-      - run: echo "This job's status is ${{ job.status }}."
\ No newline at end of file
+      - run: echo "This job's status is ${{ job.status }}."
diff --git a/.github/workflows/examples_dcorelib.yml b/.github/workflows/examples_dcorelib.yml
index 32e4e1d6..ed12384b 100644
--- a/.github/workflows/examples_dcorelib.yml
+++ b/.github/workflows/examples_dcorelib.yml
@@ -22,12 +22,12 @@ jobs:
         uses: rlespinasse/github-slug-action@v3.x
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: main
     
       - name: Checkout gh-pages
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           path: gh-pages
@@ -84,4 +84,4 @@ jobs:
               echo "Nothing to deploy"
             fi
   
-      - run: echo "This job's status is ${{ job.status }}."
\ No newline at end of file
+      - run: echo "This job's status is ${{ job.status }}."
diff --git a/.github/workflows/wheel.yml b/.github/workflows/wheel.yml
index 4d42522c..1f85fa44 100644
--- a/.github/workflows/wheel.yml
+++ b/.github/workflows/wheel.yml
@@ -11,7 +11,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Build dist
         run: python setup.py sdist bdist_wheel