diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10e13e17..9547f532 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout site source
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Download processor
         run: |
@@ -39,7 +39,7 @@ jobs:
           ./code-maven web
 
       - name: Checkout slides repository to get the mdbook.pl
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           repository: 'szabgab/slides'
           ref: mdbooks