diff --git a/.github/workflows/build-mingw.yml b/.github/workflows/build-mingw.yml
index 61ba1071..a22d658d 100644
--- a/.github/workflows/build-mingw.yml
+++ b/.github/workflows/build-mingw.yml
@@ -21,7 +21,7 @@ jobs:
             os: [windows-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Create folders
       run: |
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 481d197c..69c199df 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -24,7 +24,7 @@ jobs:
       release_id: ${{ steps.create_release.outputs.id }}
       upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       if: github.event_name == 'push'
 
     - name: moordyn_tag_name
@@ -74,7 +74,7 @@ jobs:
             os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: moordyn_version
       id: moordyn_version
diff --git a/.github/workflows/check-version.yml b/.github/workflows/check-version.yml
index d4970525..a14a2a4f 100644
--- a/.github/workflows/check-version.yml
+++ b/.github/workflows/check-version.yml
@@ -9,7 +9,7 @@ jobs:
     name: Check that the version is valid
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: moordyn_version
       id: moordyn_version
diff --git a/.github/workflows/matlab.yml b/.github/workflows/matlab.yml
index c4a13c11..4052a715 100644
--- a/.github/workflows/matlab.yml
+++ b/.github/workflows/matlab.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create install folder
         run: |
diff --git a/.github/workflows/mdf_verification.yml b/.github/workflows/mdf_verification.yml
index 431a5fcd..105f3bf9 100644
--- a/.github/workflows/mdf_verification.yml
+++ b/.github/workflows/mdf_verification.yml
@@ -21,7 +21,7 @@ jobs:
             os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Install deps
       run: |
diff --git a/.github/workflows/memcheck.yml b/.github/workflows/memcheck.yml
index 750fe6b2..f194fdcb 100644
--- a/.github/workflows/memcheck.yml
+++ b/.github/workflows/memcheck.yml
@@ -19,7 +19,7 @@ jobs:
             os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Install valgrind
       run: |
diff --git a/.github/workflows/python-wheels-emulated.yml b/.github/workflows/python-wheels-emulated.yml
index ed0d3d41..d3a745c3 100644
--- a/.github/workflows/python-wheels-emulated.yml
+++ b/.github/workflows/python-wheels-emulated.yml
@@ -75,7 +75,7 @@ jobs:
         rm -rf docs extern source tests
       
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # Used to host cibuildwheel
       - uses: actions/setup-python@v6
diff --git a/.github/workflows/python-wheels-test.yml b/.github/workflows/python-wheels-test.yml
index b6393946..383e7e43 100644
--- a/.github/workflows/python-wheels-test.yml
+++ b/.github/workflows/python-wheels-test.yml
@@ -24,7 +24,7 @@ jobs:
         os: ${{ fromJSON(inputs.os) }}
       
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/python-wheels.yml b/.github/workflows/python-wheels.yml
index 9596085f..3b8b5bd3 100644
--- a/.github/workflows/python-wheels.yml
+++ b/.github/workflows/python-wheels.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-22.04]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # Used to host cibuildwheel
       - uses: actions/setup-python@v6
@@ -141,7 +141,7 @@ jobs:
             os: [ubuntu-22.04]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download artifacts
         uses: actions/download-artifact@v6
diff --git a/.github/workflows/python-wrapper.yml b/.github/workflows/python-wrapper.yml
index 60c59672..cfefd988 100644
--- a/.github/workflows/python-wrapper.yml
+++ b/.github/workflows/python-wrapper.yml
@@ -24,7 +24,7 @@ jobs:
             os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup Python
       uses: actions/setup-python@v6