diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index fbd767f..44cbe76 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -15,7 +15,7 @@ jobs:
     pre-commit:
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v6
             with:
                 fetch-depth: 0
         -   uses: actions/setup-python@v6
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dc6a651..5c5cdb3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,7 +23,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v6
             with:
                 fetch-depth: 0
 
diff --git a/.github/workflows/update_precommit_hooks.yml b/.github/workflows/update_precommit_hooks.yml
index d953a0f..35c4b71 100644
--- a/.github/workflows/update_precommit_hooks.yml
+++ b/.github/workflows/update_precommit_hooks.yml
@@ -32,7 +32,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
         -   name: Checkout
-            uses: actions/checkout@v4
+            uses: actions/checkout@v6
         -   name: Set up Python
             uses: actions/setup-python@v6
             with:
diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 4f1946d..8da2366 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@v4
+        -   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: