diff --git a/.github/workflows/ci-locks.yml b/.github/workflows/ci-locks.yml
index 8e9dfffa..36f2df13 100644
--- a/.github/workflows/ci-locks.yml
+++ b/.github/workflows/ci-locks.yml
@@ -30,7 +30,7 @@ jobs:
         lock: [py39-lock, py310-lock, py311-lock]
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: "Environment configure"
       env:
@@ -104,7 +104,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: "Download lock artifacts"
       uses: actions/download-artifact@v3
diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index b5d1b311..7f0ea89a 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -45,7 +45,7 @@ jobs:
             platform: osx
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: "Environment configure"
       env:
diff --git a/.github/workflows/ci-wheels.yml b/.github/workflows/ci-wheels.yml
index e4660ba7..3a87b063 100644
--- a/.github/workflows/ci-wheels.yml
+++ b/.github/workflows/ci-wheels.yml
@@ -48,7 +48,7 @@ jobs:
           xml_path: /usr/local/Cellar/udunits/2.2.28/share/udunits/udunits2-common.xml
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -82,7 +82,7 @@ jobs:
     name: "Build sdist"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0