diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8dc5d03..28b39fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Show tracked repository files
         run: find . -maxdepth 3 -type f | sort
@@ -24,7 +24,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -51,7 +51,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Node
         uses: actions/setup-node@v4