diff --git a/.github/workflows/create_pr.yml b/.github/workflows/create_pr.yml
index db37ccd9c..6a50980e5 100644
--- a/.github/workflows/create_pr.yml
+++ b/.github/workflows/create_pr.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Verify documentation update
         uses: dorny/paths-filter@v2
         id: verify-documentation-update
@@ -74,7 +74,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build the latest Docker image
         run: docker build . --file Dockerfile --build-arg SINERGYM_EXTRAS=[test] --tag pullrequest/sinergym:latest
       - name: Execute tests from container
diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index d52b44866..af4c8e7bc 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -56,6 +56,8 @@ jobs:
       # IMPORTANT: this permission is mandatory for trusted publishing
       id-token: write
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
       - name: Preparing dist directory
         run: python setup.py sdist
       - name: Publish package distributions to PyPI
diff --git a/.github/workflows/merge_pr.yml b/.github/workflows/merge_pr.yml
index ff9e7849b..8ef8759c2 100644
--- a/.github/workflows/merge_pr.yml
+++ b/.github/workflows/merge_pr.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Setup Python
@@ -89,7 +89,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build the latest Docker image
         run: docker build . --file Dockerfile --build-arg SINERGYM_EXTRAS=[test] --tag pushmain/sinergym:latest
       - name: Create a shared folder for coverage output
@@ -115,7 +115,7 @@ jobs:
     steps:
       - name: Checkout code
         if: "${{ env.DOCKER_USER != '' && env.DOCKER_PASSWORD != '' }}"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build the latest Docker image
         if: "${{ env.DOCKER_USER != '' && env.DOCKER_PASSWORD != '' }}"
         run: docker build . --file Dockerfile --build-arg SINERGYM_EXTRAS=[extras] --tag $DOCKER_USER/sinergym:latest
diff --git a/.github/workflows/protection.yml b/.github/workflows/protection.yml
index 7c82d993a..8398c651c 100644
--- a/.github/workflows/protection.yml
+++ b/.github/workflows/protection.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Copy code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: check workflows and tests changes
         uses: dorny/paths-filter@v2