diff --git a/.github/workflows/apptainer_build.yml b/.github/workflows/apptainer_build.yml
index c900902b..41f092b6 100644
--- a/.github/workflows/apptainer_build.yml
+++ b/.github/workflows/apptainer_build.yml
@@ -16,7 +16,7 @@ jobs:
     build:
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v5
+        -   uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/run_tests_cli.yml b/.github/workflows/run_tests_cli.yml
index fe3cd130..ebca641a 100644
--- a/.github/workflows/run_tests_cli.yml
+++ b/.github/workflows/run_tests_cli.yml
@@ -34,7 +34,7 @@ jobs:
             with:
                 python-version: ${{ matrix.python-version }}
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
@@ -60,7 +60,7 @@ jobs:
         if: github.repository_owner == 'cpp-lln-lab'
         steps:
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/run_tests_notebooks.yml b/.github/workflows/run_tests_notebooks.yml
index 9d9750dc..5cfca9b1 100644
--- a/.github/workflows/run_tests_notebooks.yml
+++ b/.github/workflows/run_tests_notebooks.yml
@@ -36,7 +36,7 @@ jobs:
                 release: R2023a
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 454f2c2c..b57fbec5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -65,7 +65,7 @@ jobs:
                 pip install datalad
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
@@ -160,7 +160,7 @@ jobs:
                 pip install datalad
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
@@ -264,7 +264,7 @@ jobs:
                 pip install datalad
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/tests_octave.yml b/.github/workflows/tests_octave.yml
index 451efc5c..02542140 100644
--- a/.github/workflows/tests_octave.yml
+++ b/.github/workflows/tests_octave.yml
@@ -74,7 +74,7 @@ jobs:
                 python-version: '3.11'
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/tests_windows.yml b/.github/workflows/tests_windows.yml
index 4579a3da..9d3b89c1 100644
--- a/.github/workflows/tests_windows.yml
+++ b/.github/workflows/tests_windows.yml
@@ -72,7 +72,7 @@ jobs:
                 python-version: '3.11'
 
         -   name: Clone bidspm
-            uses: actions/checkout@v5
+            uses: actions/checkout@v6
             with:
                 submodules: recursive
                 fetch-depth: 0
diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 42e62f16..8da2366d 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -16,7 +16,7 @@ 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: