diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c2574b3..fb63638 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout the code
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout the code
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -71,7 +71,7 @@ jobs:
     if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
     steps:
       - name: Checkout the code
-        uses: actions/checkout@v3.5.2
+        uses: actions/checkout@v4.0.0
         with:
           fetch-depth: 0
       - name: Set up Python