diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 7cb8cf6..751e4db 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: '0'
     - name: Set up Python 3.9
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 6a25cb7..521d999 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -14,7 +14,7 @@ jobs:
     name: Build and publish docs
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: '0'
     - name: Set up Python 3.9
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0a739aa..6fc9e92 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python 3.x
       uses: actions/setup-python@v5
       with: