diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index 269426d..ee3b752 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -24,7 +24,7 @@ jobs:
         os: [macOS-11, windows-2019, ubuntu-20.04]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v3
 
diff --git a/.github/workflows/py.yml b/.github/workflows/py.yml
index 6625318..ee5e2d5 100644
--- a/.github/workflows/py.yml
+++ b/.github/workflows/py.yml
@@ -17,7 +17,7 @@ jobs:
         R_LIBS_SITE: /usr/lib/R/site-library
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3
       with:
diff --git a/.github/workflows/r.yml b/.github/workflows/r.yml
index f7ad4e6..ff2c855 100644
--- a/.github/workflows/r.yml
+++ b/.github/workflows/r.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install dependencies
       run: |
         sudo apt-get update