diff --git a/.github/workflows/bids_validator.yml b/.github/workflows/bids_validator.yml
index f12a597..6340439 100644
--- a/.github/workflows/bids_validator.yml
+++ b/.github/workflows/bids_validator.yml
@@ -23,7 +23,7 @@ jobs:
       with:
         node-version: '18'
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         submodules: true
         fetch-depth: 0
diff --git a/.github/workflows/check_md_links.yml b/.github/workflows/check_md_links.yml
index 2cbf796..7918f4a 100644
--- a/.github/workflows/check_md_links.yml
+++ b/.github/workflows/check_md_links.yml
@@ -18,5 +18,5 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: gaurav-nelson/github-action-markdown-link-check@v1
diff --git a/.github/workflows/run_tests_matlab.yml b/.github/workflows/run_tests_matlab.yml
index ca1a91b..dc20448 100644
--- a/.github/workflows/run_tests_matlab.yml
+++ b/.github/workflows/run_tests_matlab.yml
@@ -39,7 +39,7 @@ jobs:
         release: ${{matrix.version}}
 
     - name: Install
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: true
         fetch-depth: 0
diff --git a/.github/workflows/run_tests_octave.yml b/.github/workflows/run_tests_octave.yml
index 5bd54dc..244c8f1 100644
--- a/.github/workflows/run_tests_octave.yml
+++ b/.github/workflows/run_tests_octave.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         submodules: true
         fetch-depth: 1
diff --git a/.github/workflows/validate_cff.yml b/.github/workflows/validate_cff.yml
index 8c227a6..c0e5ecc 100644
--- a/.github/workflows/validate_cff.yml
+++ b/.github/workflows/validate_cff.yml
@@ -23,7 +23,7 @@ jobs:
   validate_cff:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Check whether the citation metadata from CITATION.cff is valid
       uses: citation-file-format/cffconvert-github-action@2.0.0
       with: