diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index b734cb7..063a243 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -22,7 +22,7 @@ jobs:
     # needs: [ tests ]  # TODO
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Sync theme submodule
         run: git submodule sync && git submodule update --init --recursive