diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51c179e..5c581c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       matrix:
         target: [ x86_64, x86, aarch64, armv7 ] #, s390x, ppc64le]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: '3.10'
@@ -75,7 +75,7 @@ jobs:
       matrix:
         target: [ x64, x86 ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: '3.10'
@@ -111,7 +111,7 @@ jobs:
       matrix:
         target: [ x86_64, aarch64 ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
         with:
           python-version: '3.10'
@@ -138,7 +138,7 @@ jobs:
   sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with: