diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd130e3..9ef81f5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       contents: read
     steps:
       -
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       -
         name: Set up Python 3.10
         uses: actions/setup-python@v4
@@ -56,7 +56,7 @@ jobs:
 
     steps:
     -
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     -
       name: Start containers
       run: |
@@ -99,7 +99,7 @@ jobs:
       - lint
     steps:
       -
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       -
         name: Set up Python 3.10
         uses: actions/setup-python@v4
@@ -133,7 +133,7 @@ jobs:
       - test
     steps:
       -
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       -
         uses: actions/download-artifact@v3
         with: