diff --git a/.github/workflows/ci-testing.yml b/.github/workflows/ci-testing.yml
index a6b03ae..ab189d3 100644
--- a/.github/workflows/ci-testing.yml
+++ b/.github/workflows/ci-testing.yml
@@ -29,7 +29,7 @@ jobs:
       HOROVOD_WITHOUT_MXNET: 1
       HOROVOD_WITHOUT_TENSORFLOW: 1
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/cleanup-caches.yml b/.github/workflows/cleanup-caches.yml
index ca6d81a..77ad7c6 100644
--- a/.github/workflows/cleanup-caches.yml
+++ b/.github/workflows/cleanup-caches.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cleanup
         run: |
diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index 8423b48..f6c8f3a 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Checkout 🛎️
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         persist-credentials: false
     - uses: actions/setup-python@v4
diff --git a/.github/workflows/release-pypi.yml b/.github/workflows/release-pypi.yml
index b8d5ceb..659ef31 100644
--- a/.github/workflows/release-pypi.yml
+++ b/.github/workflows/release-pypi.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v4
       with:
         python-version: 3.8