diff --git a/.github/workflows/run_tests_matlab.yml b/.github/workflows/run_tests_matlab.yml
index 7474c3a..3d612eb 100644
--- a/.github/workflows/run_tests_matlab.yml
+++ b/.github/workflows/run_tests_matlab.yml
@@ -37,7 +37,7 @@ jobs:
         release: ${{ matrix.version }}
 
     - name: Clone spm_2_bids
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: true
         fetch-depth: 2
diff --git a/.github/workflows/run_tests_octave.yml b/.github/workflows/run_tests_octave.yml
index 0e64dff..69830a4 100644
--- a/.github/workflows/run_tests_octave.yml
+++ b/.github/workflows/run_tests_octave.yml
@@ -25,7 +25,7 @@ jobs:
         sudo apt-get -y install octave octave-dev
 
     - name: Clone spm_2_bids
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         submodules: true
         fetch-depth: 2
diff --git a/.github/workflows/validate_cff.yml b/.github/workflows/validate_cff.yml
index 87c225b..da56989 100644
--- a/.github/workflows/validate_cff.yml
+++ b/.github/workflows/validate_cff.yml
@@ -19,7 +19,7 @@ jobs:
 
     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